Space

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Across
  1. 3. There is only one of them
  2. 6. A station we have in space
  3. 7. What something weights
  4. 8. An energy carrier that is used to stores
  5. 11. The only planets we know have life
  6. 13. A giant cloud of dust and gas
  7. 14. The brightest star in the sky
  8. 16. Something that can't change or remain the same
  9. 17. It is a dying star and it destroys lots of things
  10. 18. Something that pushes or pulls objects
  11. 21. The distance light travels in a year
Down
  1. 1. A time we use
  2. 2. Something we see in the stars like the big dipper
  3. 4. A donuts shaped belt that has ice and other things in it
  4. 5. Another galaxy that is closest to us
  5. 8. A telescope that we have and can see lots of far away star
  6. 9. A metal object we have in space
  7. 10. Where all the planets can be found in
  8. 12. A triple star system
  9. 15. The path a planet takes around the sun
  10. 18. Something that the earth and the planets are in
  11. 19. Something that we live on
  12. 20. Giant ball of gas mostly made of hydrogen