Space vocab

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Across
  1. 2. dark flat areas on the moon's surface
  2. 3. the blocking of an object in space by another
  3. 6. a chunk of rocks or dust in space
  4. 7. the attractive force between objects
Down
  1. 1. a large pit caused by a meteoroid
  2. 2. a streak of light caused by a meteorite
  3. 4. a system of organizing time
  4. 5. a collection of ice and dust that goes around the sun