1. Universe Review Your Host: Mrs. Gibson

2. What unit do we use to measure distance in space?

3. Light year

4. How is a light year measured?

5. Distance light can travel in one year

6. Stars are classified by what 3 characteristics?

7. Size, temperature, and brightness

8. List the colors of the stars from hottest to coolest

9. Blue, white, yellow, orange, red

10. The Hertzsprung-Russel diagram measure what two things about the stars?

11. Temperature and Luminosity (Brightness)

12. List the types of stars from smallest to largest

13. Neutron star, white dwarf, medium, giant, supergiant

14. What process creates a protostar from a nebula?

15. Nuclear fusion

16. How long a star lives depends on its……

17. Mass….. More mass= shorter life

18. What type of star will explode in a supernova?

19. Realllllllly big stars……. supergiants

20. Black holes form from stars that are…..

21. Very large stars can become black holes

22. What happens when a white dwarf stops glowing?

23. Becomes a black dwarf

24. The Milky Way is what type of galaxy?

25. Barred spiral

26. What type of galaxy has no shape?

27. irregular

28. The theory that astronomers have developed that explains the formation of the universe is called…

29. Big Bang Theory And it all started with a big bang….BANG

30. The outermost layer of the sun that can be seen during a solar eclipse is the

31. Corona

32. A loop of gas that connects two sunspots on the surface of the sun is called

33. Prominence

34. What color and size is our sun?

35. Yellow and medium

36. What is the closest star to Earth?

37. Sun

38. 90% of all stars are in the…

39. Main sequence

40. What causes stars to exit the main sequence and either become a red giant or supergiant?

41. It runs out of fuel and expands

42. Is our sun going to become a red giant or supergiant when it starts to die?

43. Red Giant

44. In the visible light section on the electromagnetic spectrum, what are the different types of visible light?

45. ROY G BIV Red orange yellow green blue indigo violet

46. A cloud of gas and dust is called a

47. nebula

48. What is a neutron star (do not say smallest star)

49. Piece of exploded supergiant

50. What types of waves are more dangerous, waves with low frequency or high frequency?

51. High frequency

52. A lump of plasma on the surface of the sun is called a…

53. Granule

54. An explosion on the sun is called…

55. Solar flare

56. TIME FOR FINAL QUESTION!! Make your wager!!!

57. Name all 6 types of waves on the electromagnetic spectrum!!! Yes, there are 6 and you must name them allllllllllllllllllllllllllllllllllllllllllllll.

58. Radio, Microwave, Visible Light, Ultraviolet, X-ray, Gamma