Earth and Space

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Across
  1. 6. force of attraction between objects.
  2. 8. one of the objects in space that are made of burning gas and that look like points in the night sky.
  3. 11. go around another object.
  4. 14. matter and space that exists.
  5. 15. round massive object that orbits around a star.
Down
  1. 1. study of objects in space and their properties.
  2. 2. chunk of frozen gases, rock, ice, and dust that revolves around the sun.
  3. 3. Belt-The space between Mars and Jupiter in which most asteroids are found.
  4. 4. star around which the Earth orbits.
  5. 5. group of stars forming a recognizable pattern in the sky.
  6. 7. Planet-An object that orbits the sun, but is not large enough to be considered a planet.
  7. 9. path of one object in space around another object.
  8. 10. System-Earth, seven other planets, and the sun.
  9. 12. imaginary line around which Earth rotates.
  10. 13. cluster of stars, dust, gas, and matter.