Astronomy Chapters 15-17 Quiz

15 Questions | By Hellomynameisbla | Updated: Mar 22, 2022 | Attempts: 71

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As we are coming to end of chapter 17 it was promised that we would have to refresh our memory before we get to start on chapter 18. Take the short quiz below and see what you can recall from chapter fifteen to seventeen in astronomy class. All the best!

Questions and Answers

1.

Which of the following is the definition of a galaxy?
- A.
  
  A cluster of stars.
- B.
  
  A cluster of stars held together by GRAVITY.
- C.
  
  A system of millions or billions of stars, together with gas and dust, held togehter by GRAVITY.
- D.
  
  A few stars.
2.

Which are correct?
- A.
  
  Comets can form when breaking off from asteroids.
- B.
  
  Meteorites pass through Earth's atmosphere.
- C.
  
  Meteors pass through Earth's atmosphere.
- D.
  
  Asteroids can be seen from the Earth.
- E.
  
  Comets are made of ice, dust, rock, and metal.
- F.
  
  Meteors can sometimes have ice in them.
- G.
  
  We can see meteoroids pass through our atmosphere.
- H.
  
  The Earth is 1 AU away from the sun.
3.

The Milky Way is __________ light-years away.
4.

A red star is hotter than a yellow star.
- A.
  
  True
- B.
  
  False
5.

Our sun is considered to be orange.
- A.
  
  True
- B.
  
  False
6.

How many satellites orbit the Earth?
- A.
  
  0
- B.
  
  1
- C.
  
  2
- D.
  
  3
- E.
  
  16
7.

Gravity weakens over long distancs
- A.
  
  True
- B.
  
  False
8.

How does being in a space station (zero gravity) differ from being in on a planet? Please explain why so.
9.

The Products of the sun's fusion are _______ energy and ________ energy. (State one)
10.

1 astronomical unit is much farther than 1 light-year.
- A.
  
  True
- B.
  
  False
11.

Explain the orbit of the earth, its tilt, and how the seasons work.
12.

Explain how lunar eclipses work (briefly, like in like three sentences.)
13.

Last question: what would happen to a planet if it were in orbit around the sun and suddenly the sun wasn't pulling it (no more gravity) anymore?
14.

Last question: what would happen to a planet if it were in orbit around the sun and suddenly the sun wasn't pulling it (no more gravity) anymore?