Space

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Across
  1. 2. A planet that is close to earth.
  2. 3. The planet that we live on.
  3. 4. A former planet of our solar system.
  4. 5. The first planet in our solar system.
  5. 7. the study of space.
  6. 10. The closest star.
Down
  1. 1. an object that helps people communicate over long distances.
  2. 6. unidentified flying object.
  3. 8. A tool used to look at space.
  4. 9. An object in space that goes around a planet.