Comets, Meteors, and Asteroids.

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Across
  1. 2. little pecies of asteroids.
  2. 3. dust tail, ion tail, nucleous, and coma.
  3. 5. orbits the sun.
  4. 7. hit the earth
  5. 8. has many planets and one sun in it.
  6. 10. has many solar systems.
Down
  1. 1. in space but not going into the earth's atmophshere yet.
  2. 4. has many milky ways in it.
  3. 6. Big space rock (not planet).
  4. 9. has many galaxys in it.