Astronomy college course/Chasing Pluto/mirror

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ChasingPluto[edit]

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ChasingPluto-v1s1[edit]

1. While close to Jupiter, New Horizons the most spectacular image was of

___ a) a newly discovered moon
___ b) Jupiter's rings
___ c) a live volcano
___ d) the great red spot


2. As New Horizon's approaches Jupiter, it was essential that

___ a) avoid hitting the moons of Jupiter
___ b) avoid going into the rings of Jupiter
___ c) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed


3. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

___ a) photographed PLUTO
___ b) called MOM
___ c) adjusted the ORBIT
___ d) photographed EARTH


4. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

___ a) 5 thousand times less power
___ b) 5 times more power
___ c) almost the same amount of power
___ d) 5 times less power
___ e) 5 thousand times more power


5. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

___ a) true
___ b) false


6. Energy for the New Horizon is provided by

___ a) nuclear power
___ b) fuel cells
___ c) solar power
___ d) lithium batteries


7. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

___ a) instruments on the New Horizon
___ b) the people responsible for calculating the orbit of New Horizon
___ c) named after friends of the cartoon charactor 'Pluto'
___ d) Kuiper objects discovered by New Horizon
___ e) asteroids discovered by New Horizon


8. The darker portions of Pluto are believe to be from "snowflakes" of

___ a) water
___ b) hydrocarbons
___ c) silicates
___ d) nitrogen


9. The Kuiper belt has been described as a ___________ made of ___________

___ a) deep freeze ... rock and ice
___ b) mystery band ... rock and metal
___ c) mystery band ... rock and ice
___ d) deep freeze ... rock and metal


10. What was the concern about taking a telescope/camera to the cold environment near Pluto?

___ a) the the mirror might crack
___ b) the telescope might bend
___ c) the electronics might fail
___ d) the plates might crack


11. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

___ a) Jupiter
___ b) the asteroid belt
___ c) the Moon
___ d) Mars


12. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

___ a) true
___ b) false


13.
Pluto HST lower right.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


14. Silicon carbide was used to construct the telescope LORRI because this material is

___ a) light
___ b) not prone to warp at low temperature
___ c) strong
___ d) all of these


15. The blink comparator compared

___ a) the atmosphere around an object with the object itself
___ b) the location of an object on two different days
___ c) the size of two different objects


16. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

___ a) atmosphere
___ b) size
___ c) mass


17.
Hst pluto1 derivative.png
These two images of Pluto represent:
___ a) a land-based telescope and the Hubble Space Telescope
___ b) New Horizon near Earth and mid-way to Pluto
___ c) New Horizon mid-way to Pluto and near Pluto
___ d) raw and processed images
___ e) New Horizon and the Hubble Space Telescope


18. Clyde Tombaugh, who discovered Pluto back in the 1930s

___ a) was self educated
___ b) privately funded the Lowell observatory
___ c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


19. A stellar occultation occurs when a planet passes in front of a star

___ a) true
___ b) false


20. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

___ a) there were no new moons because moons are capable of capturing spacecraft
___ b) the New Horizon discovered three new moons
___ c) there were no new moons because moons are debris generators


21. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

___ a) true
___ b) false


22. As it approached Pluto, New Horizon was slightly larger than

___ a) a 10 story building
___ b) the Hubble Space Telescope
___ c) a grand piano


23. The trip by New Horizons from Earth to Pluto took almost a

___ a) week
___ b) month
___ c) century
___ d) decade
___ e) year


24. The "Chasing Pluto" video showed a stellar occultation that was observed

___ a) from the 200 inch Hale Telescope in 1968
___ b) from the Hubble Space Telescope in 1998
___ c) from a cargo plane in 1988
___ d) from the Keck Observatory in 1994


25.
Pluto HST lower left.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


26. Clyde Tombaugh's reward for discovering Pluto was

___ a) a Nobel prize
___ b) a college education
___ c) an invitation to teach at Yale


27. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

___ a) sunlight
___ b) water
___ c) energy
___ d) organic matter


28. The atmosphere of Pluto

___ a) emerges when the surface thaws due to tidal heating from Neptune
___ b) emerges when the surface thaws as it approaches the Sun
___ c) emerges when the surface thaws due to tidal heating from Jupiter
___ d) emerges when the surface thaws due to tidal heating from the Moons
___ e) is mostly oxygen


29. Stellar occultation tells something about a planet because

___ a) the orientation of the planet's rotation about its axis can be precisely determined
___ b) the star acts as a light source for the detection of planetary spectral lines that are emission lines
___ c) blocking the nearby stars allows a better view of the planet
___ d) the star acts as a light source for the detection of planetary spectral lines that are absorption lines


30. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

___ a) lies in the same plane as the other nine planets
___ b) is larger than Earth's moon
___ c) has a nearly circular orbit
___ d) has cleared the neighborhood around its orbit.
___ e) is more massive than Mercury


31. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

___ a) true
___ b) false


32. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

___ a) it had a surprisingly large influence on Pluto's orbit
___ b) it was surprisingly bright for an object moving that slowly
___ c) it was surprisingly bright for an object moving that quickly
___ d) It was brighter in the sky than Pluto


Key to ChasingPluto-v1s1[edit]

1. While close to Jupiter, New Horizons the most spectacular image was of

- a) a newly discovered moon
- b) Jupiter's rings
+ c) a live volcano
- d) the great red spot


2. As New Horizon's approaches Jupiter, it was essential that

- a) avoid hitting the moons of Jupiter
- b) avoid going into the rings of Jupiter
+ c) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed


3. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

- a) photographed PLUTO
+ b) called MOM
- c) adjusted the ORBIT
- d) photographed EARTH


4. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

+ a) 5 thousand times less power
- b) 5 times more power
- c) almost the same amount of power
- d) 5 times less power
- e) 5 thousand times more power


5. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

+ a) true
- b) false


6. Energy for the New Horizon is provided by

+ a) nuclear power
- b) fuel cells
- c) solar power
- d) lithium batteries


7. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

+ a) instruments on the New Horizon
- b) the people responsible for calculating the orbit of New Horizon
- c) named after friends of the cartoon charactor 'Pluto'
- d) Kuiper objects discovered by New Horizon
- e) asteroids discovered by New Horizon


8. The darker portions of Pluto are believe to be from "snowflakes" of

- a) water
+ b) hydrocarbons
- c) silicates
- d) nitrogen


9. The Kuiper belt has been described as a ___________ made of ___________

+ a) deep freeze ... rock and ice
- b) mystery band ... rock and metal
- c) mystery band ... rock and ice
- d) deep freeze ... rock and metal


10. What was the concern about taking a telescope/camera to the cold environment near Pluto?

- a) the the mirror might crack
+ b) the telescope might bend
- c) the electronics might fail
- d) the plates might crack


11. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

- a) Jupiter
- b) the asteroid belt
+ c) the Moon
- d) Mars


12. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

- a) true
+ b) false


13.
Pluto HST lower right.jpg
The image to the right corresponds to
- a) Pluto HST upper left.jpg
+ b) Pluto HST upper right.jpg


14. Silicon carbide was used to construct the telescope LORRI because this material is

- a) light
- b) not prone to warp at low temperature
- c) strong
+ d) all of these


15. The blink comparator compared

- a) the atmosphere around an object with the object itself
+ b) the location of an object on two different days
- c) the size of two different objects


16. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

+ a) atmosphere
- b) size
- c) mass


17.
Hst pluto1 derivative.png
These two images of Pluto represent:
- a) a land-based telescope and the Hubble Space Telescope
- b) New Horizon near Earth and mid-way to Pluto
- c) New Horizon mid-way to Pluto and near Pluto
+ d) raw and processed images
- e) New Horizon and the Hubble Space Telescope


18. Clyde Tombaugh, who discovered Pluto back in the 1930s

+ a) was self educated
- b) privately funded the Lowell observatory
- c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


19. A stellar occultation occurs when a planet passes in front of a star

+ a) true
- b) false


20. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

- a) there were no new moons because moons are capable of capturing spacecraft
- b) the New Horizon discovered three new moons
+ c) there were no new moons because moons are debris generators


21. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

- a) true
+ b) false


22. As it approached Pluto, New Horizon was slightly larger than

- a) a 10 story building
- b) the Hubble Space Telescope
+ c) a grand piano


23. The trip by New Horizons from Earth to Pluto took almost a

- a) week
- b) month
- c) century
+ d) decade
- e) year


24. The "Chasing Pluto" video showed a stellar occultation that was observed

- a) from the 200 inch Hale Telescope in 1968
- b) from the Hubble Space Telescope in 1998
+ c) from a cargo plane in 1988
- d) from the Keck Observatory in 1994


25.
Pluto HST lower left.jpg
The image to the right corresponds to
+ a) Pluto HST upper left.jpg
- b) Pluto HST upper right.jpg


26. Clyde Tombaugh's reward for discovering Pluto was

- a) a Nobel prize
+ b) a college education
- c) an invitation to teach at Yale


27. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

+ a) sunlight
- b) water
- c) energy
- d) organic matter


28. The atmosphere of Pluto

- a) emerges when the surface thaws due to tidal heating from Neptune
+ b) emerges when the surface thaws as it approaches the Sun
- c) emerges when the surface thaws due to tidal heating from Jupiter
- d) emerges when the surface thaws due to tidal heating from the Moons
- e) is mostly oxygen


29. Stellar occultation tells something about a planet because

- a) the orientation of the planet's rotation about its axis can be precisely determined
- b) the star acts as a light source for the detection of planetary spectral lines that are emission lines
- c) blocking the nearby stars allows a better view of the planet
+ d) the star acts as a light source for the detection of planetary spectral lines that are absorption lines


30. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

- a) lies in the same plane as the other nine planets
- b) is larger than Earth's moon
- c) has a nearly circular orbit
+ d) has cleared the neighborhood around its orbit.
- e) is more massive than Mercury


31. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

- a) true
+ b) false


32. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

- a) it had a surprisingly large influence on Pluto's orbit
+ b) it was surprisingly bright for an object moving that slowly
- c) it was surprisingly bright for an object moving that quickly
- d) It was brighter in the sky than Pluto


ChasingPluto-v2s1[edit]

1. A stellar occultation occurs when a planet passes in front of a star

___ a) true
___ b) false


2. Energy for the New Horizon is provided by

___ a) lithium batteries
___ b) solar power
___ c) fuel cells
___ d) nuclear power


3. The "Chasing Pluto" video showed a stellar occultation that was observed

___ a) from the 200 inch Hale Telescope in 1968
___ b) from the Hubble Space Telescope in 1998
___ c) from the Keck Observatory in 1994
___ d) from a cargo plane in 1988


4. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

___ a) sunlight
___ b) energy
___ c) water
___ d) organic matter


5. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

___ a) there were no new moons because moons are capable of capturing spacecraft
___ b) there were no new moons because moons are debris generators
___ c) the New Horizon discovered three new moons


6. The blink comparator compared

___ a) the atmosphere around an object with the object itself
___ b) the size of two different objects
___ c) the location of an object on two different days


7. Silicon carbide was used to construct the telescope LORRI because this material is

___ a) light
___ b) all of these
___ c) strong
___ d) not prone to warp at low temperature


8. What was the concern about taking a telescope/camera to the cold environment near Pluto?

___ a) the the mirror might crack
___ b) the electronics might fail
___ c) the plates might crack
___ d) the telescope might bend


9. The darker portions of Pluto are believe to be from "snowflakes" of

___ a) nitrogen
___ b) water
___ c) silicates
___ d) hydrocarbons


10. Stellar occultation tells something about a planet because

___ a) the orientation of the planet's rotation about its axis can be precisely determined
___ b) blocking the nearby stars allows a better view of the planet
___ c) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
___ d) the star acts as a light source for the detection of planetary spectral lines that are emission lines


11. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

___ a) true
___ b) false


12. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

___ a) size
___ b) atmosphere
___ c) mass


13. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

___ a) it was surprisingly bright for an object moving that quickly
___ b) it was surprisingly bright for an object moving that slowly
___ c) It was brighter in the sky than Pluto
___ d) it had a surprisingly large influence on Pluto's orbit


14. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

___ a) has a nearly circular orbit
___ b) is larger than Earth's moon
___ c) lies in the same plane as the other nine planets
___ d) has cleared the neighborhood around its orbit.
___ e) is more massive than Mercury


15. The atmosphere of Pluto

___ a) emerges when the surface thaws due to tidal heating from Neptune
___ b) is mostly oxygen
___ c) emerges when the surface thaws due to tidal heating from Jupiter
___ d) emerges when the surface thaws as it approaches the Sun
___ e) emerges when the surface thaws due to tidal heating from the Moons


16. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

___ a) true
___ b) false


17. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

___ a) true
___ b) false


18. The Kuiper belt has been described as a ___________ made of ___________

___ a) deep freeze ... rock and ice
___ b) mystery band ... rock and ice
___ c) mystery band ... rock and metal
___ d) deep freeze ... rock and metal


19.
Pluto HST lower left.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


20. Clyde Tombaugh, who discovered Pluto back in the 1930s

___ a) privately funded the Lowell observatory
___ b) was self educated
___ c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


21. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

___ a) 5 thousand times more power
___ b) 5 thousand times less power
___ c) 5 times more power
___ d) almost the same amount of power
___ e) 5 times less power


22. The trip by New Horizons from Earth to Pluto took almost a

___ a) week
___ b) month
___ c) decade
___ d) century
___ e) year


23. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

___ a) the people responsible for calculating the orbit of New Horizon
___ b) Kuiper objects discovered by New Horizon
___ c) asteroids discovered by New Horizon
___ d) instruments on the New Horizon
___ e) named after friends of the cartoon charactor 'Pluto'


24. As New Horizon's approaches Jupiter, it was essential that

___ a) avoid going into the rings of Jupiter
___ b) avoid hitting the moons of Jupiter
___ c) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed


25. While close to Jupiter, New Horizons the most spectacular image was of

___ a) the great red spot
___ b) Jupiter's rings
___ c) a newly discovered moon
___ d) a live volcano


26.
Hst pluto1 derivative.png
These two images of Pluto represent:
___ a) New Horizon near Earth and mid-way to Pluto
___ b) a land-based telescope and the Hubble Space Telescope
___ c) New Horizon mid-way to Pluto and near Pluto
___ d) raw and processed images
___ e) New Horizon and the Hubble Space Telescope


27. As it approached Pluto, New Horizon was slightly larger than

___ a) a 10 story building
___ b) a grand piano
___ c) the Hubble Space Telescope


28. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

___ a) true
___ b) false


29. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

___ a) photographed PLUTO
___ b) photographed EARTH
___ c) called MOM
___ d) adjusted the ORBIT


30. Clyde Tombaugh's reward for discovering Pluto was

___ a) an invitation to teach at Yale
___ b) a college education
___ c) a Nobel prize


31. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

___ a) Mars
___ b) Jupiter
___ c) the Moon
___ d) the asteroid belt


32.
Pluto HST lower right.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


Key to ChasingPluto-v2s1[edit]

1. A stellar occultation occurs when a planet passes in front of a star

+ a) true
- b) false


2. Energy for the New Horizon is provided by

- a) lithium batteries
- b) solar power
- c) fuel cells
+ d) nuclear power


3. The "Chasing Pluto" video showed a stellar occultation that was observed

- a) from the 200 inch Hale Telescope in 1968
- b) from the Hubble Space Telescope in 1998
- c) from the Keck Observatory in 1994
+ d) from a cargo plane in 1988


4. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

+ a) sunlight
- b) energy
- c) water
- d) organic matter


5. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

- a) there were no new moons because moons are capable of capturing spacecraft
+ b) there were no new moons because moons are debris generators
- c) the New Horizon discovered three new moons


6. The blink comparator compared

- a) the atmosphere around an object with the object itself
- b) the size of two different objects
+ c) the location of an object on two different days


7. Silicon carbide was used to construct the telescope LORRI because this material is

- a) light
+ b) all of these
- c) strong
- d) not prone to warp at low temperature


8. What was the concern about taking a telescope/camera to the cold environment near Pluto?

- a) the the mirror might crack
- b) the electronics might fail
- c) the plates might crack
+ d) the telescope might bend


9. The darker portions of Pluto are believe to be from "snowflakes" of

- a) nitrogen
- b) water
- c) silicates
+ d) hydrocarbons


10. Stellar occultation tells something about a planet because

- a) the orientation of the planet's rotation about its axis can be precisely determined
- b) blocking the nearby stars allows a better view of the planet
+ c) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
- d) the star acts as a light source for the detection of planetary spectral lines that are emission lines


11. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

- a) true
+ b) false


12. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

- a) size
+ b) atmosphere
- c) mass


13. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

- a) it was surprisingly bright for an object moving that quickly
+ b) it was surprisingly bright for an object moving that slowly
- c) It was brighter in the sky than Pluto
- d) it had a surprisingly large influence on Pluto's orbit


14. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

- a) has a nearly circular orbit
- b) is larger than Earth's moon
- c) lies in the same plane as the other nine planets
+ d) has cleared the neighborhood around its orbit.
- e) is more massive than Mercury


15. The atmosphere of Pluto

- a) emerges when the surface thaws due to tidal heating from Neptune
- b) is mostly oxygen
- c) emerges when the surface thaws due to tidal heating from Jupiter
+ d) emerges when the surface thaws as it approaches the Sun
- e) emerges when the surface thaws due to tidal heating from the Moons


16. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

- a) true
+ b) false


17. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

+ a) true
- b) false


18. The Kuiper belt has been described as a ___________ made of ___________

+ a) deep freeze ... rock and ice
- b) mystery band ... rock and ice
- c) mystery band ... rock and metal
- d) deep freeze ... rock and metal


19.
Pluto HST lower left.jpg
The image to the right corresponds to
+ a) Pluto HST upper left.jpg
- b) Pluto HST upper right.jpg


20. Clyde Tombaugh, who discovered Pluto back in the 1930s

- a) privately funded the Lowell observatory
+ b) was self educated
- c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


21. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

- a) 5 thousand times more power
+ b) 5 thousand times less power
- c) 5 times more power
- d) almost the same amount of power
- e) 5 times less power


22. The trip by New Horizons from Earth to Pluto took almost a

- a) week
- b) month
+ c) decade
- d) century
- e) year


23. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

- a) the people responsible for calculating the orbit of New Horizon
- b) Kuiper objects discovered by New Horizon
- c) asteroids discovered by New Horizon
+ d) instruments on the New Horizon
- e) named after friends of the cartoon charactor 'Pluto'


24. As New Horizon's approaches Jupiter, it was essential that

- a) avoid going into the rings of Jupiter
- b) avoid hitting the moons of Jupiter
+ c) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed


25. While close to Jupiter, New Horizons the most spectacular image was of

- a) the great red spot
- b) Jupiter's rings
- c) a newly discovered moon
+ d) a live volcano


26.
Hst pluto1 derivative.png
These two images of Pluto represent:
- a) New Horizon near Earth and mid-way to Pluto
- b) a land-based telescope and the Hubble Space Telescope
- c) New Horizon mid-way to Pluto and near Pluto
+ d) raw and processed images
- e) New Horizon and the Hubble Space Telescope


27. As it approached Pluto, New Horizon was slightly larger than

- a) a 10 story building
+ b) a grand piano
- c) the Hubble Space Telescope


28. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

- a) true
+ b) false


29. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

- a) photographed PLUTO
- b) photographed EARTH
+ c) called MOM
- d) adjusted the ORBIT


30. Clyde Tombaugh's reward for discovering Pluto was

- a) an invitation to teach at Yale
+ b) a college education
- c) a Nobel prize


31. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

- a) Mars
- b) Jupiter
+ c) the Moon
- d) the asteroid belt


32.
Pluto HST lower right.jpg
The image to the right corresponds to
- a) Pluto HST upper left.jpg
+ b) Pluto HST upper right.jpg


ChasingPluto-v1s2[edit]

1. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

___ a) named after friends of the cartoon charactor 'Pluto'
___ b) the people responsible for calculating the orbit of New Horizon
___ c) instruments on the New Horizon
___ d) asteroids discovered by New Horizon
___ e) Kuiper objects discovered by New Horizon


2. The trip by New Horizons from Earth to Pluto took almost a

___ a) week
___ b) year
___ c) month
___ d) century
___ e) decade


3. Clyde Tombaugh's reward for discovering Pluto was

___ a) an invitation to teach at Yale
___ b) a college education
___ c) a Nobel prize


4. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

___ a) it was surprisingly bright for an object moving that quickly
___ b) it was surprisingly bright for an object moving that slowly
___ c) It was brighter in the sky than Pluto
___ d) it had a surprisingly large influence on Pluto's orbit


5. The Kuiper belt has been described as a ___________ made of ___________

___ a) deep freeze ... rock and metal
___ b) mystery band ... rock and metal
___ c) mystery band ... rock and ice
___ d) deep freeze ... rock and ice


6. Clyde Tombaugh, who discovered Pluto back in the 1930s

___ a) was self educated
___ b) privately funded the Lowell observatory
___ c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


7. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

___ a) true
___ b) false


8. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

___ a) there were no new moons because moons are debris generators
___ b) the New Horizon discovered three new moons
___ c) there were no new moons because moons are capable of capturing spacecraft


9. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

___ a) the Moon
___ b) the asteroid belt
___ c) Mars
___ d) Jupiter


10. Energy for the New Horizon is provided by

___ a) nuclear power
___ b) fuel cells
___ c) lithium batteries
___ d) solar power


11.
Pluto HST lower right.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


12.
Hst pluto1 derivative.png
These two images of Pluto represent:
___ a) New Horizon near Earth and mid-way to Pluto
___ b) New Horizon and the Hubble Space Telescope
___ c) raw and processed images
___ d) a land-based telescope and the Hubble Space Telescope
___ e) New Horizon mid-way to Pluto and near Pluto


13. The "Chasing Pluto" video showed a stellar occultation that was observed

___ a) from the Hubble Space Telescope in 1998
___ b) from the 200 inch Hale Telescope in 1968
___ c) from the Keck Observatory in 1994
___ d) from a cargo plane in 1988


14. What was the concern about taking a telescope/camera to the cold environment near Pluto?

___ a) the telescope might bend
___ b) the electronics might fail
___ c) the the mirror might crack
___ d) the plates might crack


15. The atmosphere of Pluto

___ a) emerges when the surface thaws as it approaches the Sun
___ b) is mostly oxygen
___ c) emerges when the surface thaws due to tidal heating from the Moons
___ d) emerges when the surface thaws due to tidal heating from Jupiter
___ e) emerges when the surface thaws due to tidal heating from Neptune


16. As New Horizon's approaches Jupiter, it was essential that

___ a) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed
___ b) avoid hitting the moons of Jupiter
___ c) avoid going into the rings of Jupiter


17. As it approached Pluto, New Horizon was slightly larger than

___ a) a grand piano
___ b) a 10 story building
___ c) the Hubble Space Telescope


18. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

___ a) 5 thousand times less power
___ b) 5 times more power
___ c) 5 thousand times more power
___ d) almost the same amount of power
___ e) 5 times less power


19. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

___ a) lies in the same plane as the other nine planets
___ b) is larger than Earth's moon
___ c) is more massive than Mercury
___ d) has cleared the neighborhood around its orbit.
___ e) has a nearly circular orbit


20.
Pluto HST lower left.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


21. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

___ a) true
___ b) false


22. A stellar occultation occurs when a planet passes in front of a star

___ a) true
___ b) false


23. The darker portions of Pluto are believe to be from "snowflakes" of

___ a) water
___ b) nitrogen
___ c) silicates
___ d) hydrocarbons


24. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

___ a) mass
___ b) atmosphere
___ c) size


25. While close to Jupiter, New Horizons the most spectacular image was of

___ a) a live volcano
___ b) a newly discovered moon
___ c) the great red spot
___ d) Jupiter's rings


26. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

___ a) photographed EARTH
___ b) photographed PLUTO
___ c) adjusted the ORBIT
___ d) called MOM


27. The blink comparator compared

___ a) the location of an object on two different days
___ b) the size of two different objects
___ c) the atmosphere around an object with the object itself


28. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

___ a) true
___ b) false


29. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

___ a) true
___ b) false


30. Stellar occultation tells something about a planet because

___ a) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
___ b) blocking the nearby stars allows a better view of the planet
___ c) the star acts as a light source for the detection of planetary spectral lines that are emission lines
___ d) the orientation of the planet's rotation about its axis can be precisely determined


31. Silicon carbide was used to construct the telescope LORRI because this material is

___ a) strong
___ b) not prone to warp at low temperature
___ c) light
___ d) all of these


32. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

___ a) water
___ b) organic matter
___ c) sunlight
___ d) energy


Key to ChasingPluto-v1s2[edit]

1. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

- a) named after friends of the cartoon charactor 'Pluto'
- b) the people responsible for calculating the orbit of New Horizon
+ c) instruments on the New Horizon
- d) asteroids discovered by New Horizon
- e) Kuiper objects discovered by New Horizon


2. The trip by New Horizons from Earth to Pluto took almost a

- a) week
- b) year
- c) month
- d) century
+ e) decade


3. Clyde Tombaugh's reward for discovering Pluto was

- a) an invitation to teach at Yale
+ b) a college education
- c) a Nobel prize


4. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

- a) it was surprisingly bright for an object moving that quickly
+ b) it was surprisingly bright for an object moving that slowly
- c) It was brighter in the sky than Pluto
- d) it had a surprisingly large influence on Pluto's orbit


5. The Kuiper belt has been described as a ___________ made of ___________

- a) deep freeze ... rock and metal
- b) mystery band ... rock and metal
- c) mystery band ... rock and ice
+ d) deep freeze ... rock and ice


6. Clyde Tombaugh, who discovered Pluto back in the 1930s

+ a) was self educated
- b) privately funded the Lowell observatory
- c) had resigned from a position at Yale to focus his efforts on discovering "Planet X"


7. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

+ a) true
- b) false


8. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

+ a) there were no new moons because moons are debris generators
- b) the New Horizon discovered three new moons
- c) there were no new moons because moons are capable of capturing spacecraft


9. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

+ a) the Moon
- b) the asteroid belt
- c) Mars
- d) Jupiter


10. Energy for the New Horizon is provided by

+ a) nuclear power
- b) fuel cells
- c) lithium batteries
- d) solar power


11.
Pluto HST lower right.jpg
The image to the right corresponds to
- a) Pluto HST upper left.jpg
+ b) Pluto HST upper right.jpg


12.
Hst pluto1 derivative.png
These two images of Pluto represent:
- a) New Horizon near Earth and mid-way to Pluto
- b) New Horizon and the Hubble Space Telescope
+ c) raw and processed images
- d) a land-based telescope and the Hubble Space Telescope
- e) New Horizon mid-way to Pluto and near Pluto


13. The "Chasing Pluto" video showed a stellar occultation that was observed

- a) from the Hubble Space Telescope in 1998
- b) from the 200 inch Hale Telescope in 1968
- c) from the Keck Observatory in 1994
+ d) from a cargo plane in 1988


14. What was the concern about taking a telescope/camera to the cold environment near Pluto?

+ a) the telescope might bend
- b) the electronics might fail
- c) the the mirror might crack
- d) the plates might crack


15. The atmosphere of Pluto

+ a) emerges when the surface thaws as it approaches the Sun
- b) is mostly oxygen
- c) emerges when the surface thaws due to tidal heating from the Moons
- d) emerges when the surface thaws due to tidal heating from Jupiter
- e) emerges when the surface thaws due to tidal heating from Neptune


16. As New Horizon's approaches Jupiter, it was essential that

+ a) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed
- b) avoid hitting the moons of Jupiter
- c) avoid going into the rings of Jupiter


17. As it approached Pluto, New Horizon was slightly larger than

+ a) a grand piano
- b) a 10 story building
- c) the Hubble Space Telescope


18. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

+ a) 5 thousand times less power
- b) 5 times more power
- c) 5 thousand times more power
- d) almost the same amount of power
- e) 5 times less power


19. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

- a) lies in the same plane as the other nine planets
- b) is larger than Earth's moon
- c) is more massive than Mercury
+ d) has cleared the neighborhood around its orbit.
- e) has a nearly circular orbit


20.
Pluto HST lower left.jpg
The image to the right corresponds to
+ a) Pluto HST upper left.jpg
- b) Pluto HST upper right.jpg


21. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

- a) true
+ b) false


22. A stellar occultation occurs when a planet passes in front of a star

+ a) true
- b) false


23. The darker portions of Pluto are believe to be from "snowflakes" of

- a) water
- b) nitrogen
- c) silicates
+ d) hydrocarbons


24. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

- a) mass
+ b) atmosphere
- c) size


25. While close to Jupiter, New Horizons the most spectacular image was of

+ a) a live volcano
- b) a newly discovered moon
- c) the great red spot
- d) Jupiter's rings


26. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

- a) photographed EARTH
- b) photographed PLUTO
- c) adjusted the ORBIT
+ d) called MOM


27. The blink comparator compared

+ a) the location of an object on two different days
- b) the size of two different objects
- c) the atmosphere around an object with the object itself


28. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

- a) true
+ b) false


29. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

- a) true
+ b) false


30. Stellar occultation tells something about a planet because

+ a) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
- b) blocking the nearby stars allows a better view of the planet
- c) the star acts as a light source for the detection of planetary spectral lines that are emission lines
- d) the orientation of the planet's rotation about its axis can be precisely determined


31. Silicon carbide was used to construct the telescope LORRI because this material is

- a) strong
- b) not prone to warp at low temperature
- c) light
+ d) all of these


32. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

- a) water
- b) organic matter
+ c) sunlight
- d) energy


ChasingPluto-v2s2[edit]

1. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

___ a) true
___ b) false


2. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

___ a) true
___ b) false


3.
Pluto HST lower left.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


4. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

___ a) called MOM
___ b) photographed EARTH
___ c) photographed PLUTO
___ d) adjusted the ORBIT


5. The Kuiper belt has been described as a ___________ made of ___________

___ a) deep freeze ... rock and ice
___ b) mystery band ... rock and ice
___ c) deep freeze ... rock and metal
___ d) mystery band ... rock and metal


6. While close to Jupiter, New Horizons the most spectacular image was of

___ a) a live volcano
___ b) Jupiter's rings
___ c) the great red spot
___ d) a newly discovered moon


7. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

___ a) true
___ b) false


8. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

___ a) atmosphere
___ b) size
___ c) mass


9. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

___ a) instruments on the New Horizon
___ b) asteroids discovered by New Horizon
___ c) Kuiper objects discovered by New Horizon
___ d) the people responsible for calculating the orbit of New Horizon
___ e) named after friends of the cartoon charactor 'Pluto'


10. The darker portions of Pluto are believe to be from "snowflakes" of

___ a) water
___ b) hydrocarbons
___ c) silicates
___ d) nitrogen


11. The trip by New Horizons from Earth to Pluto took almost a

___ a) century
___ b) decade
___ c) year
___ d) month
___ e) week


12. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

___ a) water
___ b) sunlight
___ c) organic matter
___ d) energy


13. As it approached Pluto, New Horizon was slightly larger than

___ a) a grand piano
___ b) the Hubble Space Telescope
___ c) a 10 story building


14. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

___ a) true
___ b) false


15. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

___ a) the asteroid belt
___ b) Jupiter
___ c) the Moon
___ d) Mars


16. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

___ a) the New Horizon discovered three new moons
___ b) there were no new moons because moons are capable of capturing spacecraft
___ c) there were no new moons because moons are debris generators


17. The atmosphere of Pluto

___ a) emerges when the surface thaws as it approaches the Sun
___ b) emerges when the surface thaws due to tidal heating from Neptune
___ c) emerges when the surface thaws due to tidal heating from the Moons
___ d) emerges when the surface thaws due to tidal heating from Jupiter
___ e) is mostly oxygen


18. A stellar occultation occurs when a planet passes in front of a star

___ a) true
___ b) false


19. As New Horizon's approaches Jupiter, it was essential that

___ a) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed
___ b) avoid hitting the moons of Jupiter
___ c) avoid going into the rings of Jupiter


20. The "Chasing Pluto" video showed a stellar occultation that was observed

___ a) from the 200 inch Hale Telescope in 1968
___ b) from the Hubble Space Telescope in 1998
___ c) from the Keck Observatory in 1994
___ d) from a cargo plane in 1988


21. Clyde Tombaugh's reward for discovering Pluto was

___ a) a Nobel prize
___ b) a college education
___ c) an invitation to teach at Yale


22. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

___ a) it was surprisingly bright for an object moving that quickly
___ b) it had a surprisingly large influence on Pluto's orbit
___ c) It was brighter in the sky than Pluto
___ d) it was surprisingly bright for an object moving that slowly


23.
Hst pluto1 derivative.png
These two images of Pluto represent:
___ a) New Horizon mid-way to Pluto and near Pluto
___ b) raw and processed images
___ c) New Horizon and the Hubble Space Telescope
___ d) New Horizon near Earth and mid-way to Pluto
___ e) a land-based telescope and the Hubble Space Telescope


24. Stellar occultation tells something about a planet because

___ a) the orientation of the planet's rotation about its axis can be precisely determined
___ b) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
___ c) the star acts as a light source for the detection of planetary spectral lines that are emission lines
___ d) blocking the nearby stars allows a better view of the planet


25. The blink comparator compared

___ a) the atmosphere around an object with the object itself
___ b) the location of an object on two different days
___ c) the size of two different objects


26. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

___ a) 5 thousand times more power
___ b) 5 times more power
___ c) 5 thousand times less power
___ d) almost the same amount of power
___ e) 5 times less power


27.
Pluto HST lower right.jpg
The image to the right corresponds to
___ a) Pluto HST upper left.jpg
___ b) Pluto HST upper right.jpg


28. Energy for the New Horizon is provided by

___ a) fuel cells
___ b) lithium batteries
___ c) solar power
___ d) nuclear power


29. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

___ a) has cleared the neighborhood around its orbit.
___ b) lies in the same plane as the other nine planets
___ c) is larger than Earth's moon
___ d) is more massive than Mercury
___ e) has a nearly circular orbit


30. What was the concern about taking a telescope/camera to the cold environment near Pluto?

___ a) the electronics might fail
___ b) the the mirror might crack
___ c) the telescope might bend
___ d) the plates might crack


31. Silicon carbide was used to construct the telescope LORRI because this material is

___ a) strong
___ b) all of these
___ c) not prone to warp at low temperature
___ d) light


32. Clyde Tombaugh, who discovered Pluto back in the 1930s

___ a) was self educated
___ b) had resigned from a position at Yale to focus his efforts on discovering "Planet X"
___ c) privately funded the Lowell observatory


Key to ChasingPluto-v2s2[edit]

1. The influence of Jupiter's gravity on Pluto is that Jupiter gradually brings Pluto closer

- a) true
+ b) false


2. A stellar occultation occurs when the north or south pole of a planet is aligned with a star

- a) true
+ b) false


3.
Pluto HST lower left.jpg
The image to the right corresponds to
+ a) Pluto HST upper left.jpg
- b) Pluto HST upper right.jpg


4. For most of its nine-year journey, it was asleep, but once a week, the New Horizon's spacecraft

+ a) called MOM
- b) photographed EARTH
- c) photographed PLUTO
- d) adjusted the ORBIT


5. The Kuiper belt has been described as a ___________ made of ___________

+ a) deep freeze ... rock and ice
- b) mystery band ... rock and ice
- c) deep freeze ... rock and metal
- d) mystery band ... rock and metal


6. While close to Jupiter, New Horizons the most spectacular image was of

+ a) a live volcano
- b) Jupiter's rings
- c) the great red spot
- d) a newly discovered moon


7. The influence of Jupiter's gravity on Pluto is that Jupiter gradually pushes Pluto away

+ a) true
- b) false


8. The "Chasing Pluto" video showed a stellar occultation that was observed in order to learn something about Pluto's

+ a) atmosphere
- b) size
- c) mass


9. "Pepssi", "Rex", "Swap", "Lorri", "Alice" and "Ralf" are

+ a) instruments on the New Horizon
- b) asteroids discovered by New Horizon
- c) Kuiper objects discovered by New Horizon
- d) the people responsible for calculating the orbit of New Horizon
- e) named after friends of the cartoon charactor 'Pluto'


10. The darker portions of Pluto are believe to be from "snowflakes" of

- a) water
+ b) hydrocarbons
- c) silicates
- d) nitrogen


11. The trip by New Horizons from Earth to Pluto took almost a

- a) century
+ b) decade
- c) year
- d) month
- e) week


12. Which was NOT listed as one of the three things commonly considered necessary for the formation of life?

- a) water
+ b) sunlight
- c) organic matter
- d) energy


13. As it approached Pluto, New Horizon was slightly larger than

+ a) a grand piano
- b) the Hubble Space Telescope
- c) a 10 story building


14. When the discovery of the "ninth planet" was made in 1930, the name Pluto was chosen after a cartoon that was a common childhood experience shared by most astronomers of the day

- a) true
+ b) false


15. The time to reach __________ was shortened from 9 days to 3 hours due to the speed of the rocket that delivered New Horizons

- a) the asteroid belt
- b) Jupiter
+ c) the Moon
- d) Mars


16. As New Horizon approached Jupiter, it looked for new Moons, and the ground crew was glad that

- a) the New Horizon discovered three new moons
- b) there were no new moons because moons are capable of capturing spacecraft
+ c) there were no new moons because moons are debris generators


17. The atmosphere of Pluto

+ a) emerges when the surface thaws as it approaches the Sun
- b) emerges when the surface thaws due to tidal heating from Neptune
- c) emerges when the surface thaws due to tidal heating from the Moons
- d) emerges when the surface thaws due to tidal heating from Jupiter
- e) is mostly oxygen


18. A stellar occultation occurs when a planet passes in front of a star

+ a) true
- b) false


19. As New Horizon's approaches Jupiter, it was essential that

+ a) it approach Jupiter closely enough for Jupiter's gravity to pull New Horizons to a 20% higher speed
- b) avoid hitting the moons of Jupiter
- c) avoid going into the rings of Jupiter


20. The "Chasing Pluto" video showed a stellar occultation that was observed

- a) from the 200 inch Hale Telescope in 1968
- b) from the Hubble Space Telescope in 1998
- c) from the Keck Observatory in 1994
+ d) from a cargo plane in 1988


21. Clyde Tombaugh's reward for discovering Pluto was

- a) a Nobel prize
+ b) a college education
- c) an invitation to teach at Yale


22. Mike Brown's search for another Pluto-like object eventually led to the discovery of Eris in 2005. What was the first clue that Eris was larger than Pluto?

- a) it was surprisingly bright for an object moving that quickly
- b) it had a surprisingly large influence on Pluto's orbit
- c) It was brighter in the sky than Pluto
+ d) it was surprisingly bright for an object moving that slowly


23.
Hst pluto1 derivative.png
These two images of Pluto represent:
- a) New Horizon mid-way to Pluto and near Pluto
+ b) raw and processed images
- c) New Horizon and the Hubble Space Telescope
- d) New Horizon near Earth and mid-way to Pluto
- e) a land-based telescope and the Hubble Space Telescope


24. Stellar occultation tells something about a planet because

- a) the orientation of the planet's rotation about its axis can be precisely determined
+ b) the star acts as a light source for the detection of planetary spectral lines that are absorption lines
- c) the star acts as a light source for the detection of planetary spectral lines that are emission lines
- d) blocking the nearby stars allows a better view of the planet


25. The blink comparator compared

- a) the atmosphere around an object with the object itself
+ b) the location of an object on two different days
- c) the size of two different objects


26. A typical average radio station uses 50,000 watts to transmit a signal. The transmitter on New Horizons used

- a) 5 thousand times more power
- b) 5 times more power
+ c) 5 thousand times less power
- d) almost the same amount of power
- e) 5 times less power


27.
Pluto HST lower right.jpg
The image to the right corresponds to
- a) Pluto HST upper left.jpg
+ b) Pluto HST upper right.jpg


28. Energy for the New Horizon is provided by

- a) fuel cells
- b) lithium batteries
- c) solar power
+ d) nuclear power


29. Pluto ceased to be called a planet in 2006, after the IAU defined a planet of our Sun as an object that is (1) in orbit around the Sun, (2) roughly spherical due to it's mass, and (3):

+ a) has cleared the neighborhood around its orbit.
- b) lies in the same plane as the other nine planets
- c) is larger than Earth's moon
- d) is more massive than Mercury
- e) has a nearly circular orbit


30. What was the concern about taking a telescope/camera to the cold environment near Pluto?

- a) the electronics might fail
- b) the the mirror might crack
+ c) the telescope might bend
- d) the plates might crack


31. Silicon carbide was used to construct the telescope LORRI because this material is

- a) strong
+ b) all of these
- c) not prone to warp at low temperature
- d) light


32. Clyde Tombaugh, who discovered Pluto back in the 1930s

+ a) was self educated
- b) had resigned from a position at Yale to focus his efforts on discovering "Planet X"
- c) privately funded the Lowell observatory


Attribution (for quiz questions) under CC-by-SA license
Editing Astronomy college course/Chasing Pluto
Study guide
http://video.pbs.org/program/nova/