Space science

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Across
  1. 3. a large rock in space
  2. 5. it happens wen something fully goes around
  3. 7. a big rock that’s small
  4. 8. a force that pulls between two objects
Down
  1. 1. something small circles something big
  2. 2. a group of stars in a pattern
  3. 4. a ball of gas
  4. 6. each blank is another year