The STARS!!!!!

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Across
  1. 3. nasa space probe
  2. 6. between nations and is in space
  3. 7. the weight of something
  4. 8. peroxide
  5. 11. where we live
  6. 13. Giant cloud of dust and gas in space
  7. 14. the north star
  8. 16. mater that causes resistance
  9. 17. big black thing
  10. 18. keeps us on the ground
  11. 21. 9.46 trillion km
Down
  1. 1. hour and a half
  2. 2. stats conect to make these
  3. 4. vast doughnut-shaped region of icy debris in dwarf plants
  4. 5. another galaxy but not the milkyway
  5. 8. launched in april of 1990
  6. 9. starlink
  7. 10. a chocolate brand
  8. 12. the closest star system
  9. 15. the moon blanks us
  10. 18. The Milky Wayis a
  11. 19. space has a bunch of these
  12. 20. The north blank