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9th Grade Astronomy
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9th Grade Astronomy
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25 Questions

1. A large cloud of dust and gas in space

2. every body in universe attracts every other body

3. The next stage of Sun's evolution is the

4. the position or direction of an object appears to differ when viewed from different positions

5. Created Big bang theory

6. The final stage of Sun's evolution is the

7. Diagram that shows brightness and temperature

8. As temperature increases, stars become

9. A large, bright, extremely hot star

10. Large glowing ball of gas in space which generates energy through nuclear fusion

11. Heavier stars are located in the _________ portion of the main sequence

12. A large, bright, cool star near the end of its life

13. Diagonal band of stars in the HR diagram is called the

14. Which star is the brightest?

15. A galaxy where stars and Gas are concentrated on spiral arms

16. Composes of 68% of the universe and has gravitational pressure

17. Discovered jupiters 4 moons, saturns rings, sun spots, rough surface of moon

18. A black hole formed by the gravitational

19. Color of the star tells us its

20. A Galaxy that is spherical and in more of a random order

21. the distribution of electromagnetic radiation by wave length

22. While on the main sequence, stars generate energy through a process called

23. The outer layer of the sun

24. A galaxy without any set shape or pattern

25. What does an HR diagram measure

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