The Universe Quiz 24 (25 MCQs)

Quiz Instructions:

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1. What can be determined about stars using wavelengths from the electromagnetic spectrum?

2. A collection of billions of stars with dust and gases

3. Which layer of the sun is the hottest?

4. What is located at the center of our galaxy?

5. One way to compare the objects of space is by their relative sizes. Which of the following is larger than a galaxy?

6. A celestial body made of gas and emits light.

7. The universe is mostly

8. Complete the sentence:Objects are red-shifted when they are moving _____, causing the wavelengths of light to _____

9. A collection of dust and gases where stars can form is called a

10. Which of the following components of the universe is best described a system of stars, gases, and dust held together by gravity?

11. The average distance from Earth to the Sun

12. Which body in our solar system is classified as a star

13. What theory is closely associated with the big bang theory?

14. Inside a singularity we find what type of conditions?

15. _____ is the study of the universe.

16. What season is the Northern Hemisphere experiencing when the Southern Hemisphere is tilted directly toward the Sun?

17. Venus appears very bright in the night sky because it _____

18. How bright a star appears in the night sky relative to other stars seen there is called its

19. Which does the existance of cosmic background radiation support?

20. What are the longest and least dangerous of all the electromagnetic wavelengths?

21. Our Sun is located near the edge of a _____ galaxy, named the _____

22. The evidence we have suggests that _____

23. When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why?

24. The universe is mostly made up of _____

25. How old is our universe?