Star Cross word

123456789101112131415161718192021
Across
  1. 3. a NASA space probe
  2. 6. a massive habitable spacecraft that we frequently use and starts with the letter I
  3. 7. how much space something takes up
  4. 8. chemical element with the sign H on the periodic table
  5. 11. the rock that we live on
  6. 13. where stars are born
  7. 14. human space flight missions starts with the letter p
  8. 16. a resistence to change in motion
  9. 17. a force so powerful that it warps time itself and is a collasped star
  10. 18. a force pulling toward it
  11. 21. space unit measurement
Down
  1. 1. the ISS takes this long to orbit earth
  2. 2. night sky designs
  3. 4. a region of rusty debris and dwarf planets
  4. 5. a constellation in the night sky starting with the letter a
  5. 8. a nasa telescope and is very famous
  6. 9. used to help GPS and map out the eart, floating aroudn up in space
  7. 10. candy bar that is also a galaxy name
  8. 12. closest star to us
  9. 15. the path around a planet an object takes
  10. 18. a massive cosmic city containing stars and planets
  11. 19. sphereiod held together with self-gravity
  12. 20. a massive glowing sphere held together by self gravity