Mari. D- Space crossword

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Across
  1. 3. our galaxy
  2. 5. gravity is so strong that nothing can ever get out
  3. 7. other____ like earth
  4. 10. every______minutes the ISS orbits the earth
  5. 12. has living creatures
  6. 14. big dipper, little dipper
  7. 16. Our sun is a giant____
  8. 17. keeps us on the ground
  9. 18. closest galaxy to ours
Down
  1. 1. space probe launched by NASA in 1977
  2. 2. orbiting around earth
  3. 4. a constellation in space
  4. 6. Can either be a stellar or a planetary
  5. 8. 186,000 miles long
  6. 9. a satellite orbiting earth
  7. 11. how heavy something is
  8. 13. H2
  9. 15. all the planets_____ around the sun
  10. 18. triple star system