Space

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Across
  1. 4. the study of stars and other celestial objects
  2. 5. move around another object
  3. 7. a massive orbit around the sun
  4. 8. the curved path,usually elliptical described by a planet, satellite, spaceship, etc., around a celestial body, as the sun
Down
  1. 1. the belief that stars and the moon can effect a humans behavior
  2. 2. what keeps us from floating into space
  3. 3. spin on its axis
  4. 6. the only known planet to have life