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The Universe Quiz 13 (25 MCQs)

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1. What process takes place inside stars?
2. Our universe contains
3. Scientists think that the universe will _____
4. This object has more mass than a moon but less mass than a star.
5. Which of the following statements does NOT correctly describe a star
6. A black hole is an object so dense with so much gravity that even _____ cannot escape.
7. What characteristic determines the lifespan of a star?
8. An interstellar cloud of dust, hydrogen, helium, and other ionized gases.
9. When a mass of hydrogen has enough density, it begins to fuse the hydrogen atoms together. This produces heat and light. What is this classified as?
10. Electromagnetic radiation (left over from the big bang) that is coming from every direction, and can be detected in all areas of the universe.
11. The sun is in the center of the
12. What type of electromagnetic radiation has the longest wavelength?
13. If something that makes light is moving away from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as _____
14. Pinwheel shaped galaxy
15. What is the gravitational force between two objects most affected by?
16. A special unit called a light-year is used to describe the relationship between objects in space. How long is a light-year?
17. Scientist that developed the new theory of general relativity
18. What are the two most common elements in the universe?
19. Where is the center of the universe located?
20. Stars are originally made out of
21. Who among the following found in his telescope observations that the farther away the galaxy was, the faster it appeared to be moving away from us?
22. Which of the following planet is not rotate from west to east?
23. Large objects that form dense gravity wells in space
24. What is the graph that shows the relations between a star's surface temperature and absolute magnitude(luminosity)?
25. The light of Proxima Centaury takes 4.3 years to reach Earth. What does it mean?
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