My science review

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Across
  1. 3. A space craft that NASA launched in 1977.
  2. 6. A research facility in Earth's lower orbit.
  3. 7. ____ times acceleration is force(F=ma Newtons second law).
  4. 8. The Simplest element.
  5. 11. The planet we live on.
  6. 13. All stars start as a _________.
  7. 14. The north star.
  8. 16. An objects resist In change of motion.
  9. 17. Something with so great gravity light can't escape
  10. 18. What keeps us on the ground.
  11. 21. In toy story Woody teams with Buzz ________.
Down
  1. 1. 1.5 hours in minutes.
  2. 2. Stars form these pictures in the sky we call ______________.
  3. 4. A regimen beyond Neptune that is full of ice chunks.
  4. 5. This name applies to a Constalation, a Galaxy, and a TV show(starts with an a).
  5. 8. A telescope sent into space by Nasa in 1990
  6. 9. We track weather with these by launching them into space.
  7. 10. We live in the ____________ Galaxy( a candy is named this).
  8. 12. A star consisting of the different stars.
  9. 15. All the planets ______ around the sun.
  10. 18. Earth is in the milky way ________.
  11. 19. We live on a _______ called earth.
  12. 20. The sun is a _____.