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Earth Science 101 Practice Test: Beyond Our Solar System
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Earth Science 101 Practice Test: Beyond Our Solar System
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19 Questions

1. Which main-sequence stars are the most massive?
2. The most dense stars known to exist are ________.
3. Hubble's law states that galaxies are receding from us at a speed that is proportional to their ________.
4. Our galaxy is called the ________.
5. These stars are produced during a supernova event.
6. Which color stars have the coolest surface temperature?
7. Which one of the objects listed below has the largest size?
8. The final stage for a star which is as massive as the Sun is a ________.
9. When a main-sequence star has exhausted the fuel in the inner region, it becomes a ________.
10. Most stars are in this stage of evolution.
11. One of the most common units used to express stellar distance is the ________.
12. Which color stars have the highest surface temperature?
13. The measure of a star's brightness is called its ________.
14. Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that ________.
15. Which main-sequence stars are the least massive?
16. The Sun belongs to this class of stars.
17. The point in stellar evolution when a star has used up all its fuel and is radiating away its remaining thermal energy as light is the ________ stage.
18. A star in which light cannot escape because of the immense gravitational pull at its surface is called a ________.
19. The discovery that the universe appears to be expanding led to a widely accepted theory called ________.

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