The Universe Quiz 16 (25 MCQs)

Quiz Instructions:

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1. What is a scientific theory?

2. Which of these stars is hottest?

3. What is the name given to the event that formed the Universe?

4. Stars form in giant clouds of gas and dust. What are these clouds called?

5. What do we call a cluster of stars, dust, gas, and matter?

6. Which one is the correct order from smallest to largest.

7. Planets that have many moons, are considered huge, and are spread very far apart, belong to which group?

8. Makes up about 10% of the mass of a galaxy.

9. What is a supernova?

10. After a supergiant, a high mass star explodes and forms a

11. The main elements in a star's composition are _____ and _____

12. Which of the following correctly lists the components of the universe in order from least to greatest?

13. The sun appears to be big and bright but it's actually a medium size star. It only seems big to us because it is the _____ star to Earth

14. Why is it considered inappropriate to use light years to measure distances within our solar system?

15. An interstellar cloud of dust and gases that serves as a location for the formation of new stars is

16. A light year is approximately

17. Which structure includes all matter and space that exists?

18. Which phenomenon was observed by Edwin Hubble that was used to explain the expansion of the universe.

19. Which best explains why the moon has phases?

20. Our nearest star neighbor, Proxima Centauri, is 4 light years away from Earth. How old is the light by the time we see it?

21. Light Years are a measure of _____

22. Earth's rotation takes about

23. Edwin Hubble discovered that the universe is expanding from his observation of _____

24. What is a planetary system?

25. Which of the following are types of electromagnetic radiation?