Star crossword puzzle

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Across
  1. 3. a region of space having a gravitational field so intense that no matter or radiation can escape
  2. 7. Toy story has a character named Buzz _____
  3. 10. A zodiac sign
  4. 12. on objects resistance to change in motion
  5. 14. H
  6. 17. galaxy that includes the Solar System
  7. 18. The name of our planet
  8. 20. a doughnut-shaped region of icy bodies extending far beyond the orbit of Neptune
  9. 23. What planets are in
  10. 26. a triple star system in the southern constellation of Centaurus
  11. 27. ISS
  12. 28. what we put in space to get pictures of earth
Down
  1. 1. what astronauts wear in space
  2. 2. A telescope
  3. 4. first space craft to cross the heliosphere
  4. 5. What we live on
  5. 6. what you see in the sky at night
  6. 8. the force that keeps us on the ground
  7. 9. what they send on the moon
  8. 11. dipper a constallation that looks like a soup spoon
  9. 13. when stars connect and form something
  10. 15. a cloud of gas and dust in space
  11. 16. 1 1/2 hrs in minutes
  12. 19. the nearest galaxy to the milkyway
  13. 21. A star northern of the consallation ursa minor
  14. 22. a natural light display that shimmers in the sky
  15. 24. the earth ___ around the sun
  16. 25. the amount of matter or substance that makes up an object