Planet Unit Crossword

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Across
  1. 2. The Milky Way ______ (6 letters)
  2. 5. The space object that used to be part of our solar system, but is no longer classified as a planet
  3. 8. The invisible force that keeps us on the ground
  4. 10. A man-made space object that only takes 90 minutes to orbit Earth
  5. 11. The W shaped constellation that is Andromeda's mother in Greek mythology
  6. 14. The common name for the star that everything in our solar system orbits around
  7. 15. The astrounaut in Toy Story's last name (Buzz ____)
  8. 18. We lived on ______ Earth (6 letters)
  9. 19. The amount of matter in an object
  10. 20. The planet we live on
  11. 22. Another name for the North star
  12. 23. The first element in the periodic table
  13. 25. An hour-and-a-half in minutes
Down
  1. 1. The galaxy we live in
  2. 3. A constellation named after a Greek girl who was said to be more beautiful than all the Nyriads of the sea
  3. 4. The space probe from NASA that discovered the thin ring around Jupiter
  4. 6. What the Earth does on its axis (or around the sun)
  5. 7. The belt of meteors and other miscellaneous space objects that lies beyond Neptune
  6. 9. A hole in space that sucks in all matter, including light
  7. 12. The brightest star in the Northern Sky
  8. 13. An object's resistance to change in motion
  9. 14. A man-made space object that orbits something (9 letters)
  10. 16. The nearest sun-like star to our solar system
  11. 17. Better known as the red planet
  12. 21. A cluster of stars that forms a specific, usually fairly identifiable shape
  13. 23. A space telescope launched by NASA in 1990
  14. 24. A bright ball of gas that you see in the night sky