the universe

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Across
  1. 3. = A rocky object that orbits the Sun
  2. 4. = A vehicle used to travel into space
  3. 5. = A huge collection of stars
  4. 6. = An instrument used to observe distant objects
  5. 9. = The force that keeps planets in orbit
  6. 10. = A vehicle designed for travel in space
  7. 12. = The natural satellite of Earth
  8. 13. = The path of an object around another object in space
Down
  1. 1. = A person who travels into space
  2. 2. = Everything that exists in space
  3. 7. = A large object that orbits a star
  4. 8. = A bright object that produces its own light
  5. 10. system = The Sun and all the objects that orbit it
  6. 11. = An icy object that develops a tail near the Sun