1. Astronomy Review

2. What is gravity?

3. The attractive force between two masses

4. The more ___________ an object has the more gravity it has.

5. The more mass an object has the more gravity it has.

6. What is a light-year?

7. The distance light travels in a year.

8. Which star is the largest; neutron star, black hole, or white dwarf?

9. Which star is the largest, neutron star, black hole, or white dwarf? Black Hole

10. Which star is the smallest; neutron star, black hole, or white dwarf?

11. Which star is the smallest, neutron star, black hole, or white dwarf? Neutron Star

12. Use the Hertzsprung-Russell diagram to describe Rigel.

13. White, bright, almost 20,000 degrees C

14. What is a nebula?

15. A large amount of gas and dust that become a star.

16. The more ______________ a star has, the longer it will live.

17. The more ___mass___ a star has, the longer it will live.

18. If a Red Giant or Supergiant has low mass it will become a …

19. White Dwarf

20. What is it called when a dying Red Giant or Supergiant explodes …

21. What is it called when a dying Red Giant or Supergiant explodes … Supernova

22. A supernova with high mass becomes a …

23. Black Hole

24. A supernova with low mass becomes a …

25. Neutron Star

26. A white dwarf will become a …

27. Black Dwarf

28. What is a quasar?

29. A distant galaxy with a black hole at its center.

30. What are the three types of galaxies?

31. Spiral Elliptical Irregular

32. What galaxy do we live in?

33. The Milky Way

34. What type of galaxy is the Milky Way?

35. A Spiral Galaxy

36. What is a constellation?

37. A patterned group of stars