Challenge Four: Space Nagigation

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Across
  1. 6. a group of stars that form a pattern in the sky and have a name
  2. 9. the space between galaxies
  3. 10. a cloud of dust and gas in space
  4. 11. an objects made of frozen gases, rock and dust that orbits the Sun
Down
  1. 1. an instrument that allows us to see into space
  2. 2. the force that pulls objects towards each other
  3. 3. a person trained to travel in a spacecraft
  4. 4. when one celestial body blocks light from reaching another by moving between it and its light source
  5. 5. the space between the stars of a galaxy
  6. 7. an object intentionally placed into space to orbit a celestial body to collect information
  7. 8. a large object that circles around the sun or any other star
  8. 12. the curved path a celestial object takes around a star moon or planet