1. Suns Disturbances Stars Lives Galaxies and Constellations Terms to Know Grab Bag 100 200 300 400 500

2. Colored band of light seen near the poles usually after a solar flare Answer

3. Auroras Home

4. Loop of incandescent gas that extends above the photosphere Answer

5. Prominence Home

6. Cooler, darker area of the photosphere with a strong magnetic field Answer

7. Sunspot Home

8. Sudden outward eruption of electrically charged particles Answer

9. Solar Flare Home

10. Auroras are usually seen after these… Answer

11. Solar Flares Home

12. A star begins as a ________, a cloud of gas and dust Answer

13. Home Nebula

14. Who did Ryan Reynolds recently marry? …..Just kidding. What color of stars are the hottest? Answer

15. Blue Home

16. How many years ago did the Big Bang occur? Answer

17. 14 billion years ago Home

18. Pairs of revolving starts held together by gravity Answer

19. Binary Stars Home

20. How many years would a star with the suns mass stay on the main sequence? Answer

21. Home. 10 billion years

22. What do scientists use to break sun’s light into a spectrum? Answer

23. spectrograph Home

24. What shape of galaxy is the Milky Way? Answer

25. Spiral Home

26. Objects in space moving away from an observer will display a ___ shift Answer

27. Red Home

28. The idea that all matter and energy was compressed into a small volume at one time billion of years ago, exploded and then began to expand is known as the ________ Answer

29. Big Bang Theory Home

30. The apparent shift in position of an object when viewed from different locations Answer

31. parallax Home

32. Answer The sun gets its energy from this type of nuclear reaction

33. Nuclear Fusion Home

34. Stars, dust and gas bound together by gravity Answer

35. Galaxy Home

36. The observed change in the frequency of a wave when either the source or observer is moving is known as ______ Answer

37. Doppler shift or effect Home

38. The brightness of a star as it appears from Earth is the _____ magnitude Answer

39. Home Apparent

40. Answer The location on the H-R Diagram where most stars lie

41. Main Sequence Home

42. What can a star’s spectra tell us? Answer

43. It’s temperature and composition Home

44. The distance light travels in a year Answer

45. Light-year or 9.46 x 10 12 km Home

46. Ursa Major, Draco, and Pisces are all examples of: Answer

47. Constellations Home

48. What are the Northern and Southern Lights? Answer

49. Auroras: Aurora Borealis & Aurora Australis Home

50. How long do sunspot cycles last? Answer

51. 11 years Home