SPACE

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Across
  1. 1. our galaxy
  2. 3. a big, bright star seen in the daytime
  3. 5. the planet we live on
  4. 6. the milky way is a?
  5. 7. there are eight of these in our solar system
  6. 8. bright lights in the night sky
Down
  1. 1. the red planet
  2. 2. a person who travels through space
  3. 4. an unidentified flying object (alien spaceship)
  4. 6. something that keeps us on the ground?