Up in space

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Across
  1. 3. The ... is huge! It contains millions of stars and planets!
  2. 4. Our planet is called ...
  3. 6. This force keeps your feet on the ground.
  4. 8. The best way to travel into space is with a ...
  5. 9. The planet closest to the sun is called.
  6. 10. NASA just launched a new ... for better communications.
Down
  1. 1. If you see a ... you can make a wish.
  2. 2. I want to watch the stars tonight, better use my ...
  3. 5. Creatures from another planet are called...
  4. 7. A flying piece of rock in space.