Vocabulary Activities: Astronomy

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Across
  1. 3. The Theory that Earth was the center of the universe.
  2. 5. A device which makes objects seem much closer.
  3. 6. a person who studies space
  4. 7. everything in space as a whole
  5. 10. the study of space, beyond our atmosphere
  6. 11. the path around another object in space
Down
  1. 1. Theory that states the sun is the center of the universe.
  2. 2. A hole in the surface of a planet
  3. 4. when an object travels around another object.
  4. 6. A line going through the center of a sphere
  5. 8. a planets spin on its axis
  6. 9. a force that pulls objects to the ground.