STEM

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Across
  1. 2. the closest star
  2. 4. there is a northern and southern
  3. 5. the shape of the earth orbit
  4. 7. equal hours of night and day
  5. 8. the earths movement around the sun
  6. 9. the movement of the earth
Down
  1. 1. longest day or longest night
  2. 3. the earths complete orbit
  3. 5. the line that spits the earth horizontally
  4. 6. the planet with the most life on it