Vocab crossword

1234567891011
Across
  1. 3. Theory that the sun is the center of the solar system.
  2. 4. the study of space beyond our atmosphere
  3. 6. a device used to make distance objects appear much closer
  4. 8. Theory that the earth was the center of the universe
  5. 9. A hole in a surface in a planet or the moon caused by a rock formed in space hitting the surface.
  6. 11. when an object travels around another
Down
  1. 1. everything in space as a whole
  2. 2. a person who studies space.
  3. 5. a planet's spin on its axis
  4. 7. the path of an object around another object in space
  5. 8. a force that pulls objects to the center of the earth,and other planet or moons
  6. 10. an imaginary line going through a sphere's north and south poles