Astronomy Practice Test Quiz!

12 Questions | By Mrandrewphillips | Updated: Mar 22, 2022 | Attempts: 11898

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When we look at the sky, all we see is blue or stars covering up the atmosphere. This astronomy practice test quiz is designed to help us see just how much you understood from the unit on astronomy so far. Give it a shot and jog your memory. All the best!

Questions and Answers

1.

Why are certain telescopes in space?
- A.
  
  It is cheaper to put them in space.
- B.
  
  You can only see visible light from space.
- C.
  
  The atmosphere blocks certain EM waves.
- D.
  
  They are closer to what they are studying.
2.

What two things are required for nuclear fusion?
- A.
  
  Hydrogen and helium.
- B.
  
  High heat and force.
- C.
  
  Uranium and plutonium.
- D.
  
  Pressure and water.
3.

What two steller objects come after a red giant in the life cycle of stars?
- A.
  
  Planetary nebula and white dwarf.
- B.
  
  Supernova and neutron star.
- C.
  
  Neutron star and black hole.
- D.
  
  Supergiant star and neutron star.
4.

What two stellar objects can arise from a supernova?
- A.
  
  White dwarf and black dwarf.
- B.
  
  Neutron star and black hole.
- C.
  
  Red giant and red supergiant.
- D.
  
  Black hole and black dwarf.
5.

In the equation what does the E stand for?
- A.
  
  Mass
- B.
  
  Speed of light
- C.
  
  Energy
- D.
  
  Wavelength
6.

When does a star leave the main sequence?
- A.
  
  When it runs out of helium to fuse.
- B.
  
  When it turns into a black dwarf.
- C.
  
  When it turns into a planetary nebula.
- D.
  
  When it runs out of hydrogen to fuse.
7.

What color are the hottest stars?
- A.
  
  Red
- B.
  
  White
- C.
  
  Blue
- D.
  
  Yellow
8.

What competing forces keep main sequence stars at equilibrium?
- A.
  
  Gravity and pressure from nuclear fusion.
- B.
  
  Gravity and mass.
- C.
  
  Stars are unstable and not at equilibrium.
- D.
  
  Nuclear fusion and magnetism.
9.

What two things are needed to start nuclear fusion?
- A.
  
  High heat and low pressure.
- B.
  
  High heat and high pressure.
- C.
  
  Hydrogen and helium.
- D.
  
  Uranium and plutonium.
10.

What does being close to the sun mean to the inner planets?
- A.
  
  It makes them bigger than the other planets.
- B.
  
  It makes them orbit in the same direction.
- C.
  
  It made them consist primarily of rock.
- D.
  
  It means they will all spiral into the sun in 2 million years.
11.

What is a redshift?
- A.
  
  It means an object is moving away from us.
- B.
  
  It means the object's light has had its frequency lowered.
- C.
  
  It is evidence of an expanding universe.
- D.
  
  All of the above.
12.

What evidence do we have of the inflation right after the Big Bang?
- A.
  
  The sun's existence.
- B.
  
  Cosmic background radiation.
- C.
  
  Life on this planet.
- D.
  
  Most objects in the universe are coming towards us.