# Astronomy college course/Astronomy (wikipedia)/Quiz02

## WP Astronomy Q2_Study

Original version of this quiz

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### WP Astronomy Q2_Study-v1s1

1.
What is this?
___ a) the magnetic field of Venus
___ b) a dying star
___ c) colliding galaxies
___ d) a supernovae remnant
___ e) the magnetic field of Saturn

2. Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of

___ a) The Sun
___ b) his wife
___ c) Barnard's star
___ d) a supernovae
___ e) a double star

3. Earth based infrared observatories tend to be located in

___ a) underground
___ b) near the north and south poles
___ c) near the equator
___ d) where the air is dry
___ e) where the air is cold

4. The shortest wavelength of electromagnetic radiation is associated with

___ a) ultra violet
___ b) X-rays
___ c) blue light
___ d) gamma rays
___ e) infrared

5.
What are the blue things in this figure?

___ a) none of these is correct
___ b) one galaxy
___ c) a globular cluster
___ d) a cluster of galaxy
___ e) an open cluster of stars

6. Most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.

___ b) energy
___ c) photons
___ d) meteors
___ e) meteorites

7. Most gamma rays are

___ a) in bursts
___ b) from cold stars
___ c) from the Sun
___ d) from hot stars
___ e) the Andromeda galaxy

8. Studies in the infrared are useful for objects that are

___ a) associated with supernovae
___ b) cold
___ c) in our own galaxy
___ d) in other galaxies
___ e) inside the solar system

9. The best place to observe neutrinos is

___ a) where the air is dry
___ b) underground
___ c) where the air is cold
___ d) near the equator
___ e) near the north and south poles

10. An active galaxy is emitting a significant amount of its energy from _____

___ a) magnetism
___ b) nuclear fusion
___ c) gravity
___ d) exploding stars
___ e) nuclear fission

#### Key to WP Astronomy Q2_Study-v1s1

1.
What is this?
- a) the magnetic field of Venus
+ b) a dying star
- c) colliding galaxies
- d) a supernovae remnant
- e) the magnetic field of Saturn

2. Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of

- a) The Sun
+ b) his wife
- c) Barnard's star
- d) a supernovae
- e) a double star

3. Earth based infrared observatories tend to be located in

- a) underground
- b) near the north and south poles
- c) near the equator
+ d) where the air is dry
- e) where the air is cold

4. The shortest wavelength of electromagnetic radiation is associated with

- a) ultra violet
- b) X-rays
- c) blue light
+ d) gamma rays
- e) infrared

5.
What are the blue things in this figure?

- a) none of these is correct
+ b) one galaxy
- c) a globular cluster
- d) a cluster of galaxy
- e) an open cluster of stars

6. Most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.

- b) energy
- c) photons
- d) meteors
- e) meteorites

7. Most gamma rays are

+ a) in bursts
- b) from cold stars
- c) from the Sun
- d) from hot stars
- e) the Andromeda galaxy

8. Studies in the infrared are useful for objects that are

- a) associated with supernovae
+ b) cold
- c) in our own galaxy
- d) in other galaxies
- e) inside the solar system

9. The best place to observe neutrinos is

- a) where the air is dry
+ b) underground
- c) where the air is cold
- d) near the equator
- e) near the north and south poles

10. An active galaxy is emitting a significant amount of its energy from _____

- a) magnetism
- b) nuclear fusion
+ c) gravity
- d) exploding stars
- e) nuclear fission