Space Unit

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Across
  1. 6. how we measure a star based on actual brightness plus the distance from earth
  2. 7. the part of the atmosphere that is closest the to sun
  3. 9. Provides oxygen and protection from the extremes of temperature
  4. 12. Scientists who study outer space
  5. 15. commonly known as the Little Dipper
  6. 17. the Milk Dipper/Teapot is found in here
  7. 19. protects Earth from UV rays but lets in infrared rays and visible light
  8. 22. the hottest region of the sun's atmosphere
  9. 24. 40 galaxies in which the Milky Way is a part of
  10. 29. band of asteroids between Mars and Jupiter
  11. 30. small stars such as Sirius B
  12. 31. the distance light travels in a year
  13. 32. The force that resists motion
  14. 34. dark patches on the moon thought to be water at one time
  15. 35. Aldebaran is its brightest star
  16. 36. group of 6 stars found near Taurus
  17. 37. dark spots we see on the sun which are cooler patches of gases
  18. 40. the galaxy in which we live
  19. 41. effect that lets sunlight in but keeps earth warm
  20. 43. galaxies with no definite shape
  21. 44. how a planet spins on its axis
  22. 47. stars around the size of Polaris
  23. 49. The study of stars, planets, and all other heavenly bodies
  24. 51. regulus is its brightest star
  25. 52. planets that are made of rocks and metals and are closer to the sun
  26. 53. can either be made of dust or gas and when the sun's heat causes coma to drift away
  27. 57. the middle of the sun which has a temperature of 27,000,000 degrees Fahrenheit
  28. 58. stars with average temperature and brightness
  29. 59. An area containing no air or any other matter
  30. 61. constellation around the Little Dipper
  31. 63. large clouds of gas and dust floating in space
  32. 65. contains the binary star, Algol
  33. 66. the sun's surface
  34. 67. 29 days, 12 hours, and 44 months
  35. 68. planets that are made of gases and are farther away from the sun
Down
  1. 1. actual brightness of a star or how much light it produces
  2. 2. most famous comet name after Newton's friend
  3. 3. moon appears as a sliver
  4. 4. asteroid-sized chunk of rock, dust and ice
  5. 5. type of galaxy where spiral arms have straight "bar" that runs through the center
  6. 8. stars that circle around each other
  7. 10. the moon's shape bulges and is not quite round
  8. 11. contains the Big Dipper
  9. 13. constellation mentioned in the Bible in three places
  10. 14. waxing moon is half dark and half light
  11. 16. inner part of a comet
  12. 18. the largest of stars such as Betelgeuse
  13. 20. moon blocks the sun from our view
  14. 21. when moon displays the most light
  15. 22. stars that outline an imaginary picture
  16. 23. sirius is its brightest star
  17. 25. asteroids that are found in the inner solar system crossing paths with earth
  18. 26. formed when frozen surface of a comet heats up
  19. 27. galaxies that resemble eggs or footballs
  20. 28. Deneb is its brightest star
  21. 31. every four years we add up the 1/4 long days and we have an extra day
  22. 33. stars that appear close but are far apart
  23. 38. when the moon's sunlit side is hid from earth
  24. 39. contains Castor and Pollux
  25. 42. the sun is 93 million miles away from this planet
  26. 45. word for what a planet does when it goes around the sun
  27. 46. heat from core causes these "bubbles" to rise to the surface and give the sun a speckled look
  28. 48. Antares(rival of Mars) is part of this constellation
  29. 49. little "planets" that range in size from a few hundred miles across to as small as a house
  30. 50. part of the earth that keeps earth with mild temperatures
  31. 54. moon passes directly behind Earth
  32. 55. another name for the North Star
  33. 56. where most comets are located beyond Neptune
  34. 60. huge ball of hydrogen and helium, "our star"
  35. 62. Betelgeuse and Rigel are its famous stars
  36. 64. type of galaxy that looks like a pinwheel