Science- astronomy

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Across
  1. 5. the __________ is between mars and Jupiter (no spaces)
  2. 7. the _____ planets are small and they are the close ones the the sun
  3. 8. the _____ are caused by the moons gravity
  4. 10. earth is referred to as the ____________ planet (no spaces)
Down
  1. 1. the ______________ protects us from harmful solar radiation
  2. 2. an _____ is on earth and is 75% of earth
  3. 3. a comet is also referred to as a _____________ (no spaces
  4. 4. the ____ orbits our planet earth
  5. 6. the ____ causes the seasons
  6. 9. the ____ moon is the biggest phase of the moon
  7. 10. a _________ moon is one away from a new moon