The Universe Quiz 26 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. First Scientist to to present observational evidence that supported that the universe is expanding. (aka ..... red shift)

Correct Answer: A) Edwin Hubble.

2. The category that contains the most stars is .....

Correct Answer: A) Main Sequence.

3. As gravity pulls gas and dust into a sphere that becomes denser and hotter, and a sunlike star begins to form, it is called a(n)

Correct Answer: D) Protostar.

4. What do we call a star explosion?

Correct Answer: B) A supernova.

5. A ..... is a region so dense that nothing, including light, can escape its gravitational field.

Correct Answer: B) Black hole.

6. What does a red shift in light from distant galaxies indicate to a scientist on Earth?

Correct Answer: B) The universe appears to be expanding.

7. The shift to a different wavelength is called the .....

Correct Answer: C) Doppler shift.

8. What is the CMBR

Correct Answer: D) Leftover heat from the Big Bang.

9. The ..... is between the orbits of Mars & Jupiter.

Correct Answer: B) Asteroid belt.

10. What are gas giants?

Correct Answer: A) A large planet composed mainly of gas.

11. A large celestial body made of gases that emits light due to nuclear reactions is called

Correct Answer: D) A star.

12. Who made great advancements to our telescope which helped him be the first to see various things in outer space?

Correct Answer: A) Galileo Galilei.

13. The Hertzprung Russell Diagram consists of two axis that are labelled .....

Correct Answer: B) Luminosity and Temperature.

14. Where does the sun get it's energy?

Correct Answer: A) Nuclear fusion in the core.

15. Galaxies are classified by their shapes into all of the following types EXCEPT

Correct Answer: C) Oblong galaxy.

16. Which is *not* evidence for the Big Bang theory?

Correct Answer: B) Hieroglypiphics describing the instant of the Big Bang.

17. Which of the following defines the universe?

Correct Answer: D) All things that exist in space.

18. Scientists think the Milky Way probably is

Correct Answer: B) A spiral galaxy.

19. The Big Bang Theory, describing the creation of the universe, is most directly supported by the

Correct Answer: A) Red shift of light from distant galaxies.

20. How bright is the Sun?

Correct Answer: C) Medium brightness.