nebular theory

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Across
  1. 4. this is in-between Mars and jupiter
  2. 8. the angle that the universe is at as its spinning
  3. 9. has a head, tail, nucleus,and coma
  4. 13. small piece of rock or ice that enters our atmosphere
  5. 14. how the universe came to be and was created
  6. 15. small particles that collide and get bigger
  7. 16. the axis the universe rotates on
  8. 17. we all orbit in the same.....
Down
  1. 1. the gravity from earth pulled the moon in
  2. 2. small rocks in space
  3. 3. when earth was created a piece came off and is now our moon
  4. 5. small particles collide getting bigger then collect more particles and get bigger, and so on
  5. 6. meteoroid that hits earth's surface
  6. 7. asteroid that burns up in our atmosphere
  7. 10. something hit earth and a piece came off
  8. 11. a large cloud of dust in space that collapsed in on its self
  9. 12. the hot center of the nebula that collapsed created this