Planets :)

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Across
  1. 1. name of rover
  2. 3. kiper_____
  3. 5. name of rover
  4. 6. name of rover
  5. 7. has an event horizon
  6. 9. name of rover
  7. 10. 1 day in space
Down
  1. 2. star explosion
  2. 4. event_______
  3. 8. moon