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