3s

Edit Answers
123456789101112131415
Across
  1. 4. - All of space and everything in it, eight letters
  2. 7. - A small rocky body orbiting the sun, eight letters
  3. 9. - Collision in space, six letters
  4. 11. - The ringed planet, six letters
  5. 13. - The force that attracts a body toward any other physical body having mass, seven letters
  6. 15. - A spacecraft component, six letters
Down
  1. 1. - A cloud of gas and dust, six letters
  2. 2. - An astronomer who studied the stars, seven letters
  3. 3. - A group of stars, seven letters
  4. 5. - When one celestial body moves into the shadow of another, seven letters
  5. 6. - An artificial body placed in orbit around the earth or moon
  6. 8. - Of or relating to stars, seven letters
  7. 10. - A bowl-shaped depression, six letters
  8. 12. - A space probe, seven letters
  9. 14. - The universe seen as an orderly system, six letters