unit project

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Across
  1. 2. nova is caused by the explosion of a star
  2. 4. what rocky plants are called
  3. 8. is a big object that orbits a plant
  4. 10. everything ever is in it
Down
  1. 1. have a tail that points away from the sun
  2. 3. has the strongest gravity in the universe
  3. 5. is were all asteroids are from
  4. 6. is the star at the center of are solar system
  5. 7. what gas plants are called
  6. 9. the place stars are born