Space and Satellites

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Across
  1. 2. a continuos area or expanse that is free
  2. 6. A large object orbiting a star
  3. 8. A natural satellite of a planet
  4. 10. A space vehicle that lands on another planet or moon
  5. 11. The path that a planet takes around a star
  6. 12. Anything that orbits a planet or moon
  7. 13. The force of attraction between any two objects
  8. 14. An unnamed spacecraft that has cameras and other equipment to find out about other planets
  9. 15. The unit of force
  10. 17. A small rocky body orbiting the sun
  11. 18. Relating to, or determined by the sun
Down
  1. 1. The amount of matter that something is made of
  2. 3. The american space program for landing astronauts on the moon
  3. 4. An optical instrument designed to make distant objects appear nearer
  4. 5. A small lump of dirty ice orbiting the sun
  5. 7. The star around which earth orbits
  6. 9. A space probe that goes into orbit around a planet or moon
  7. 12. A vehicle used for traveling in space
  8. 16. Millions of stars grouped together
  9. 18. A huge ball of gas that gives out heat and light energy