Space

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Across
  1. 3. rocky object that moves in orbits
  2. 5. protects the astronauts' body in space
  3. 7. smaller body that revolves around a planet
  4. 8. heavenly body with a cloudy tail
Down
  1. 1. heavenly body that orbits a star
  2. 2. one characteristic of space
  3. 4. area outside Earth's Atmosphere
  4. 6. amount of exercise hours that astronauts do