The Universe Quiz 21 (25 MCQs)

Quiz Instructions:

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1. The category that contains the most stars is _____

2. 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)

3. What do we call a star explosion?

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

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

6. The shift to a different wavelength is called the _____

7. What is the CMBR

8. The _____ is between the orbits of Mars & Jupiter.

9. What are gas giants?

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

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

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

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

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

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

16. Which of the following defines the universe?

17. Scientists think the Milky Way probably is

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

19. How bright is the Sun?

20. Which of these is now considered a dwarf planet?

21. A characteristic of a nebula is that it

22. Elliptical, spiral, and irregular are all classifications of the overall shape of which of the following?

23. When Edwin Hubble measured the distance to other galaxies, he discovered that the galaxies _____

24. About how long ago do scientists believe theuniverse began?

25. What are the shortest, most dangerous, wavelengths in the electromagnetic spectrum?