# Astronomy college course/Saros cycle/Saros/Quiz 1/Testbank

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## SarosQuiz1

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This document contains either a study guide OR pairs of exams taken from the same exam bank
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Study guide links reading materials and/or relevant equations.

### SarosQuiz1-v1s1

1. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

___ a) true
___ b) false

2. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

___ a) time of day
___ b) season of the year
___ c) day of the month

3. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

___ a) 15
___ b) 5
___ c) 8
___ d) 30

4. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

___ a) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)
___ b) an unknown Babylonian
___ c) Hipparchus (Greek astronomer: 190 BC-120 BC)
___ d) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)

5. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

___ a) 30
___ b) 15
___ c) 10
___ d) 40

6. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

___ a) true
___ b) false

7. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

___ a) leap years
___ b) a wobble in the Moon's orbit
___ c) precession of the Moon's orbit
___ d) precession of the equinoxes

8. What is so special about 3 Saros cycles (triple Saros)?

___ a) this eclipse will occur at the same day of the month (plus or minus one day)
___ b) this eclipse terminates the Saros (and a new Saros number is assigned.)
___ c) this eclipse will occur with the Moon in the same position on the zodiac.
___ d) this eclipse will occur at the same time of day

9. What remains nearly the same after a single saros cycle has occured?

___ a) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
___ b) phase of moon and earth-moon distance
___ c) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)

10. Saros (or Sar) was the Babylonian word for the Saros cycle.

___ a) true
___ b) false

11. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

___ a) 1
___ b) 10
___ c) 20
___ d) 40
___ e) 2

#### Key to SarosQuiz1-v1s1

1. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

+ a) true
- b) false

2. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

- a) time of day
+ b) season of the year
- c) day of the month

3. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

+ a) 15
- b) 5
- c) 8
- d) 30

4. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

- a) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)
- b) an unknown Babylonian
- c) Hipparchus (Greek astronomer: 190 BC-120 BC)
+ d) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)

5. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

+ a) 30
- b) 15
- c) 10
- d) 40

6. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

+ a) true
- b) false

7. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

+ a) leap years
- b) a wobble in the Moon's orbit
- c) precession of the Moon's orbit
- d) precession of the equinoxes

8. What is so special about 3 Saros cycles (triple Saros)?

- a) this eclipse will occur at the same day of the month (plus or minus one day)
- b) this eclipse terminates the Saros (and a new Saros number is assigned.)
- c) this eclipse will occur with the Moon in the same position on the zodiac.
+ d) this eclipse will occur at the same time of day

9. What remains nearly the same after a single saros cycle has occured?

- a) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
+ b) phase of moon and earth-moon distance
- c) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)

10. Saros (or Sar) was the Babylonian word for the Saros cycle.

- a) true
+ b) false

11. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

- a) 1
- b) 10
- c) 20
+ d) 40
- e) 2

### SarosQuiz1-v2s1

1. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

___ a) true
___ b) false

2. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

___ a) precession of the Moon's orbit
___ b) leap years
___ c) precession of the equinoxes
___ d) a wobble in the Moon's orbit

3. What remains nearly the same after a single saros cycle has occured?

___ a) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
___ b) phase of moon and earth-moon distance
___ c) phase of moon and position of sun relative to background stars (i.e. zodiacal location)

4. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

___ a) time of day
___ b) day of the month
___ c) season of the year

5. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

___ a) 2
___ b) 10
___ c) 20
___ d) 40
___ e) 1

6. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

___ a) 15
___ b) 30
___ c) 40
___ d) 10

7. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

___ a) 5
___ b) 15
___ c) 30
___ d) 8

8. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

___ a) an unknown Babylonian
___ b) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)
___ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
___ d) Hipparchus (Greek astronomer: 190 BC-120 BC)

9. What is so special about 3 Saros cycles (triple Saros)?

___ a) this eclipse will occur with the Moon in the same position on the zodiac.
___ b) this eclipse will occur at the same time of day
___ c) this eclipse will occur at the same day of the month (plus or minus one day)
___ d) this eclipse terminates the Saros (and a new Saros number is assigned.)

10. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

___ a) true
___ b) false

11. Saros (or Sar) was the Babylonian word for the Saros cycle.

___ a) true
___ b) false

#### Key to SarosQuiz1-v2s1

1. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

+ a) true
- b) false

2. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

- a) precession of the Moon's orbit
+ b) leap years
- c) precession of the equinoxes
- d) a wobble in the Moon's orbit

3. What remains nearly the same after a single saros cycle has occured?

- a) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
+ b) phase of moon and earth-moon distance
- c) phase of moon and position of sun relative to background stars (i.e. zodiacal location)

4. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

- a) time of day
- b) day of the month
+ c) season of the year

5. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

- a) 2
- b) 10
- c) 20
+ d) 40
- e) 1

6. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

- a) 15
+ b) 30
- c) 40
- d) 10

7. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

- a) 5
+ b) 15
- c) 30
- d) 8

8. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

- a) an unknown Babylonian
- b) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)
+ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
- d) Hipparchus (Greek astronomer: 190 BC-120 BC)

9. What is so special about 3 Saros cycles (triple Saros)?

- a) this eclipse will occur with the Moon in the same position on the zodiac.
+ b) this eclipse will occur at the same time of day
- c) this eclipse will occur at the same day of the month (plus or minus one day)
- d) this eclipse terminates the Saros (and a new Saros number is assigned.)

10. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

+ a) true
- b) false

11. Saros (or Sar) was the Babylonian word for the Saros cycle.

- a) true
+ b) false

### SarosQuiz1-v1s2

1. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

___ a) 2
___ b) 10
___ c) 40
___ d) 1
___ e) 20

2. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

___ a) season of the year
___ b) day of the month
___ c) time of day

3. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

___ a) true
___ b) false

4. Saros (or Sar) was the Babylonian word for the Saros cycle.

___ a) true
___ b) false

5. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

___ a) an unknown Babylonian
___ b) Hipparchus (Greek astronomer: 190 BC-120 BC)
___ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
___ d) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)

6. What is so special about 3 Saros cycles (triple Saros)?

___ a) this eclipse terminates the Saros (and a new Saros number is assigned.)
___ b) this eclipse will occur at the same day of the month (plus or minus one day)
___ c) this eclipse will occur at the same time of day
___ d) this eclipse will occur with the Moon in the same position on the zodiac.

7. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

___ a) true
___ b) false

8. What remains nearly the same after a single saros cycle has occured?

___ a) phase of moon and earth-moon distance
___ b) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
___ c) phase of moon and position of sun relative to background stars (i.e. zodiacal location)

9. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

___ a) 15
___ b) 30
___ c) 8
___ d) 5

10. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

___ a) precession of the equinoxes
___ b) leap years
___ c) precession of the Moon's orbit
___ d) a wobble in the Moon's orbit

11. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

___ a) 15
___ b) 30
___ c) 10
___ d) 40

#### Key to SarosQuiz1-v1s2

1. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

- a) 2
- b) 10
+ c) 40
- d) 1
- e) 20

2. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

+ a) season of the year
- b) day of the month
- c) time of day

3. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

+ a) true
- b) false

4. Saros (or Sar) was the Babylonian word for the Saros cycle.

- a) true
+ b) false

5. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

- a) an unknown Babylonian
- b) Hipparchus (Greek astronomer: 190 BC-120 BC)
+ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
- d) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)

6. What is so special about 3 Saros cycles (triple Saros)?

- a) this eclipse terminates the Saros (and a new Saros number is assigned.)
- b) this eclipse will occur at the same day of the month (plus or minus one day)
+ c) this eclipse will occur at the same time of day
- d) this eclipse will occur with the Moon in the same position on the zodiac.

7. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

+ a) true
- b) false

8. What remains nearly the same after a single saros cycle has occured?

+ a) phase of moon and earth-moon distance
- b) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)
- c) phase of moon and position of sun relative to background stars (i.e. zodiacal location)

9. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

+ a) 15
- b) 30
- c) 8
- d) 5

10. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

- a) precession of the equinoxes
+ b) leap years
- c) precession of the Moon's orbit
- d) a wobble in the Moon's orbit

11. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

- a) 15
+ b) 30
- c) 10
- d) 40

### SarosQuiz1-v2s2

1. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

___ a) 5
___ b) 8
___ c) 15
___ d) 30

2. What remains nearly the same after a single saros cycle has occured?

___ a) phase of moon and earth-moon distance
___ b) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
___ c) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)

3. Saros (or Sar) was the Babylonian word for the Saros cycle.

___ a) true
___ b) false

4. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

___ a) 20
___ b) 10
___ c) 40
___ d) 1
___ e) 2

5. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

___ a) day of the month
___ b) time of day
___ c) season of the year

6. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

___ a) an unknown Babylonian
___ b) Hipparchus (Greek astronomer: 190 BC-120 BC)
___ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
___ d) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)

7. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

___ a) true
___ b) false

8. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

___ a) true
___ b) false

9. What is so special about 3 Saros cycles (triple Saros)?

___ a) this eclipse will occur at the same day of the month (plus or minus one day)
___ b) this eclipse will occur at the same time of day
___ c) this eclipse will occur with the Moon in the same position on the zodiac.
___ d) this eclipse terminates the Saros (and a new Saros number is assigned.)

10. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

___ a) 15
___ b) 10
___ c) 30
___ d) 40

11. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

___ a) precession of the Moon's orbit
___ b) leap years
___ c) precession of the equinoxes
___ d) a wobble in the Moon's orbit

#### Key to SarosQuiz1-v2s2

1. Your pet lizard is thirsty every 3 days and hungry every 5 days. If she is both thirsty and hungry today, she will be both thirsty and hungry ____ days later

- a) 5
- b) 8
+ c) 15
- d) 30

2. What remains nearly the same after a single saros cycle has occured?

+ a) phase of moon and earth-moon distance
- b) phase of moon and position of sun relative to background stars (i.e. zodiacal location)
- c) phase of moon and position of moon relative to the background stars (i.e. zodiacal location)

3. Saros (or Sar) was the Babylonian word for the Saros cycle.

- a) true
+ b) false

4. Between any given eclipse and the one that occurs one Saros (roughly 18 years) later, there will be approximately ________ lunar and solar eclipses.

- a) 20
- b) 10
+ c) 40
- d) 1
- e) 2

5. If an eclipse occurs, a simlar eclipse will occur at the next Saros(roughly 18 years later). At this eclipse, the ______ will be the same. (Pick the best answer.)

- a) day of the month
- b) time of day
+ c) season of the year

6. The name "saros" (Greek: σαρος) was first given to the eclipse cycle by

- a) an unknown Babylonian
- b) Hipparchus (Greek astronomer: 190 BC-120 BC)
+ c) Edmond Halley (A friend and colleage of Newton: 1656 AD-1742 AD)
- d) Ptolemy (Greek astronomer who lived in Egypt: 90 AD-168 AD)

7. While the Babylonians invented what we call the Saros cycle, they did not call it by that name.

+ a) true
- b) false

8. Suppose that you see a full moon, but no eclipse. You can be certain that a full moon will also occur exactly one Saros later.

+ a) true
- b) false

9. What is so special about 3 Saros cycles (triple Saros)?

- a) this eclipse will occur at the same day of the month (plus or minus one day)
+ b) this eclipse will occur at the same time of day
- c) this eclipse will occur with the Moon in the same position on the zodiac.
- d) this eclipse terminates the Saros (and a new Saros number is assigned.)

10. Your best friend's pet lizard is thirsty every 2 days, hungry every 3 days, and frisky every 5 days. If she is thirsty, hungry, and frisky today, whe will be thirsty, hungry, and frisky _____ days later

- a) 15
- b) 10
+ c) 30
- d) 40

11. The Saros cycle is 18 years plus either 10.321 or 11.321 days. The reason for the variable number of days has to do with

- a) precession of the Moon's orbit
+ b) leap years
- c) precession of the equinoxes
- d) a wobble in the Moon's orbit

Attribution (for quiz questions) under CC-by-SA license
http://en.wikiversity.org/wiki/Orbital_mechanics/Saros
Study guide
http://en.wikipedia.org/wiki/Saros_(astronomy)