Asteroids, Meteors, and Comets

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Across
  1. 3. a small body of matter from outer space the enters Earth's atmosphere
  2. 5. the resistance that one surface of object encounters when moving oven another causing heat
  3. 7. made up of a nucleus or ice and dust
  4. 8. region of the solar system beyond the orbit of Nepture believed to contain comets, asteroids, and other small bodies made largely of ice
  5. 10. a loarge, bowl-shaped cavity in the ground typically caused by a crashing meteorite
  6. 11. any natural body outside of the Earth's atmosphere (ex. moon, Sun, other planets, comets)
  7. 12. the shape of a comet's orbit
Down
  1. 1. a spherical area filled with comets far beyond the outermost planets
  2. 2. a meteor that survives the Earth's atmosphere and lands on the ground
  3. 4. the envelope of gases surrounding the Earth or another planet
  4. 6. a small, rapidly moving meteor burning up in the Earth's atmosphere
  5. 9. of or from outside the Earth