The solar system

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Across
  1. 6. Closest star to us other than the sun
  2. 9. The two fish
  3. 10. The distance light travels in a year
  4. 13. Located in Ursa minor
  5. 14. Abbreviates to ISS
  6. 17. The first element on the periodic table with the atomic number 1
  7. 18. Orion is a example of a
  8. 22. Located beyond the orbit of Neptune
  9. 23. The planet we live on
  10. 25. The galaxy we live in
  11. 26. located in Ursa major
Down
  1. 1. equivalent to an hour and a half
  2. 2. An area where the gravity is so intense no even light can pass trough
  3. 3. The milky-way is an example of this
  4. 4. Closest major galaxy to our own
  5. 5. Another name for the north star
  6. 7. There are eight of these in our solar system
  7. 8. The twins
  8. 11. Acrtures is a huge version of this
  9. 12. The earth has more blank than the moon
  10. 15. Starlink is an example of this
  11. 16. A space probe launched in 1977
  12. 19. The ISS take 90 minutes to blank the earth
  13. 20. Cloud of gas dust in space
  14. 21. known as the red planet
  15. 24. Invented by a man named Edwin
  16. 27. The force that causes things to fall