Vocabulary

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Across
  1. 3. : UNIDENTIFIED FLYING OBJECT
  2. 7. : space immediately outside the earth's atmosphere
  3. 8. coming from another world : EXTRATERRESTRIAL
  4. 9. :any of the heavenly bodies except planets which are visible at night and look like fixed points of ligh
  5. 10. :the galaxy of which the sun and the solar system are a part
Down
  1. 1. : a unit of length in astronomy equal to the distance that light travels in one year or about 5.88 trillion miles (9.46 trillion kilometers)
  2. 2. : to take away (a person) by force
  3. 4. any large heavenly body that orbits a star (as the sun)
  4. 5. : any one of the very large groups of stars that make up the universe
  5. 6. :the sun and the planets, asteroids, comets, and meteors that revolve around it