1. Ch 26 Astronomy Astronomy Tools WavesSeasonsTermsRandom 100 200 300 400 500

2. True or False: ground based telescopes do not experience interference from Earth’s atmosphere Answer

3. False Home

4. Answer Instrument that detects invisible radio waves from objects in space

5. Home radiotelescope

6. Instrument that uses a set of lenses to gather and focus light Answer

7. Refracting telescope Home

8. A constellation’s change in position over several HOURS is caused by _____ Answer

9. Earth’s rotation Home

10. Telescope used by Galileo to see craters on the moon for the first time Answer

11. Refracting telescope Home

12. All frequencies or wavelengths of electromagnetic radiation are called ______ Answer

13. Home The electromagnetic spectrum

14. Name a color that has a visible wavelength Answer

15. ROYGBV (red, orange, yellow, green, blue, violet) Home

16. Which instrument was electromagnetic radiation discovered with? Answer

17. A thermometer Home

18. Which rays are the strongest and shortest waves? Answer

19. Gamma rays Home

20. True or False: Infrared has a visible wavelength Answer

21. Home. False

22. Daily Double!!! During which season does the Northern Hemisphere have the most sunlight? Answer

23. Summer solstice Home

24. Answer What season is the autumnal equinox?

25. Home Fall

26. The beginning of spring is marked by which equinox? Answer

27. Vernal Home

28. The Northern Hemisphere has the fewest daylight hours during the ____. Answer

29. Winter Solstice Home

30. Daily Double!! In the orbit of a planet, the point where it is closest to the sun is known as what? Answer

31. Perihelion Home

32. Answer Event in which the universe was said to have begun

33. Big Bang Theory Home

34. An astronomical unit is about how many million kilometers? Answer

35. 150 million km Home

36. What is a large collection of stars, dust and gas bound together by gravity? Answer

37. Galaxy Home

38. This is equal to the average distance between the Earth and the Sun Answer

39. Home An AU (astronomical unit)

40. Answer When the orbit of a planet is furthest from the Sun

41. Aphelion Home

42. Bonus!! Double Points! In what year did man land on the moon? Answer

43. 1969 Home

44. True or False: The Coriolis Effect is evidence that the Earth spins on its axis Answer

45. True Home

46. True or False: Telescopes are sent to space because they experience interference from the Earth’s atmosphere Answer

47. True Home

48. True or False: A constellations changing position in the sky over a period of several weeks/months is proof Earth revolves around the sun Answer

49. True Home

50. Unit that equals 9.46 x 10 12 km Answer

51. Light-year Home