Crossword Review SS2

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Across
  1. 3. The result of the Earth's position from the Sun
  2. 4. A theory that Earth was the center of the Solar System
  3. 7. A group of planets orbiting a star
  4. 11. The poles of a celestial body
  5. 14. An area where there is a magnetic force
  6. 15. A device that helps people see planet from the naked eye
  7. 16. Something that turns
  8. 20. A small body made of ice, rock, and dust
  9. 21. A vehicle that can travel in space
  10. 22. A theory of how the Universe was created
  11. 24. Anything that has mass and takes up space
  12. 25. An imaginary line on which the planet rotates on
Down
  1. 1. Caused by two celestial bodies passing by
  2. 2. The forth state of matter
  3. 5. A substance that doesn't conduct electricity very well
  4. 6. A celestial body's orbit around their star
  5. 8. A theory that the Sun was the center of the Solar System
  6. 9. A celestial body that orbits the Sun, but isn't classified as a planet
  7. 10. A substance that cannot be broken down any further
  8. 12. Caused by the Moon's gravitational pull
  9. 13. A celestial body that orbits a star
  10. 17. A force that holds something in place
  11. 18. A space rock that burns up in our atmosphere
  12. 19. A space rock the orbits the sun
  13. 23. The gases surrounding a planet