space rocks

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Across
  1. 4. a small planet
  2. 6. the movement of one object around a center or another object
  3. 7. a small body moving in space
  4. 9. comets have an elliptical orbit around the sun that brings them closer at some times
  5. 10. an object made up of ice and dust
Down
  1. 1. a cosmological model in which the Sun is assumed to lie at or near a central point
  2. 2. a small rocky body orbiting the sun
  3. 3. the outer part of a conical shadow, cast by a celestial body, where the light from the Sun is partially blocked
  4. 5. a machine sent in space to collect info
  5. 8. incandescent as a result of friction