Space Systems Vocab and Concepts Review #1

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Across
  1. 2. the direction in which the Earth rotates on its axis
  2. 4. the two stars at the end of this constellation's "bowl" point to Polaris (two words)
  3. 5. the name for the imaginary "line" (the path) that the sun appears to follow through the year (you might need to looks this one up on Google)
  4. 8. the direction in which the Earth revolves around the sun
  5. 12. the name for the side of the moon that always faces away from Earth (two words)
  6. 14. the movement of the Earth that accounts for why the sun appears to rise and set
  7. 15. also know as the North Star
  8. 17. to go around another object
  9. 19. refers to sun
  10. 22. in the northern hemisphere, stars appear to move in a circular path around this important star
  11. 23. refers to the shape of the moon at any specific time during a lunar cycle
  12. 24. a synonym for revolve
  13. 25. a synonym for rotate
  14. 26. the location on Earth over which you will always find Polaris in the sky (two words)
  15. 28. the celestial object that blocks the sun's rays during a lunar eclipse
  16. 29. it takes the Earth one _____ to make a full revolution around the sun
Down
  1. 1. general name for a group of stars that form a pattern
  2. 3. the approximate number of hours it takes for the Earth to rotate once on its axis (compound word)
  3. 6. the celestial object that blocks the sun's rays during a solar eclipse
  4. 7. the compass direction in which most stars appear to rise
  5. 9. refers to moon
  6. 10. adjective that refers to the sky and the "heavens"
  7. 11. refers to a series of circles or arcs that have the same center (hint...see page 5 of your packet!)
  8. 13. an event in which a celestial object such as the moon or sun is blocked
  9. 16. Polaris is the last star in the "handle" of this constellation (two words)
  10. 18. the main object in space that the moon orbits
  11. 20. the adjective that refers to the 13 different constellations that are visible from Earth at different times throughout the year
  12. 21. it takes the Earth one ______ to make a full rotation on its axis
  13. 27. to turn on an axis