space

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Across
  1. 3. can cause a crater when landing on earth
  2. 4. used to measure units in space
  3. 5. travel around the sun in an elliptical path
  4. 7. what is there non of on the moon
  5. 9. planet lighter than water
Down
  1. 1. A lump of rock or metal that is pulled into the earth's atmosphere
  2. 2. Any object in space is a _______ object
  3. 4. is the study of space and beyond
  4. 6. is a moon, planet or machine that orbits a star or planet called
  5. 8. Uses satellites to determine where an object on earth is.