The Universe Quiz 3 (25 MCQs)

Quiz Instructions:

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1. What did the sun do in the geocentric model?

2. Planets orbit the Sun in a shape called a(n)

3. What units do we use to measure the distance between galaxies?

4. Which distance is the greatest?

5. A wave with a large wavelength will have a _____ frequency and _____ energy

6. What is Cosmic Microwave Background radiation?

7. The Moon revolves around the Earth because of a non-contact force. What force of Earth keeps the Moon in orbit?

8. What can be used to determine objects movement relative to the earth

9. Earth is a very small part of a much larger system known as _____

10. How old is the Universe?

11. The space between the stars and galaxies, though largely empty, is also filled with _____

12. The amount of matter in an object is

13. What is the definition of the galaxy?

14. The majority of matter in the universe is made of which two elements that formed after the Big Bang?

15. What object is composed of gas and emits light?

16. What is the process that occurs in the core of a star, like the sun, that produces energy?

17. What is the universe?

18. How many moons are in our solar system?

19. Earth has 1, Jupiter has more than 60 _____

20. When light waves are stretched by the expanding of space-time, what happens to the frequency?

21. The scientific study of planets, stars, galaxies, and the universe as a whole.

22. How are frequency and wavelength related?

23. The existence of the cosmic background radiation implies that _____

24. Which one of the following is NOT part of our solar system?

25. Galaxies are classified into all of the following types by their shapes except _____