SPACE

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Across
  1. 2. Also known as the blank blank theory
  2. 5. No longer considered a planet
  3. 7. The first planet from the sun
  4. 8. A rock that shoots through the sky
  5. 9. distance between the center of the Earth and the center of the sun
Down
  1. 1. Hole that sucks things in
  2. 3. A person who explores space
  3. 4. A huge cloud of gas and dust
  4. 6. planets BLANK the sun
  5. 8. an imaginary line about which a body rotates.