Science Vocabulary

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Across
  1. 3. an objects that enters Earth's atmosphere
  2. 7. a artificial satellite used as a long-term base
  3. 9. relating to land
  4. 10. an engine that provides thrust without air intake
  5. 12. a path around a point in space
  6. 13. what outer planets are made of
  7. 14. to spin on an axis
  8. 15. the air around a planet
  9. 18. made of ice,dust,and rock
Down
  1. 1. a unmanned spacecraft for exploring the solar system
  2. 2. a device or vehicle of travle outside Earth's atmosphere
  3. 4. the four largest moons of Jupiter
  4. 5. rocks that revolve the Sun
  5. 6. The National Aeronautics and Space Administration
  6. 7. a spacecraft for transporting people and cargo
  7. 8. what separates the inner and outer planets
  8. 11. the movement of following a orbit
  9. 13. a force that causes things with mass to attract to another
  10. 16. what Mars and Jupiter are
  11. 17. a vehicle used for exploring an extraterrestrial body