Space/Planets

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Across
  1. 1. A orb that orbits the sun in a elliptical pattern
  2. 7. Is in the middle of a geocentric system
  3. 9. Means the movement of one object around another object
  4. 11. This happens because of the moon's gravitational pull
  5. 12. The smallest planet
Down
  1. 2. Eclipse where the moon is right behind Earth and is in Earth's shadow
  2. 3. The 5th smallest planet
  3. 4. Created the Heliocentric theory
  4. 5. Believed in the heliocentric system(not Copernicus)
  5. 6. Objects being attracted to one another
  6. 8. Created the Geocentric theory
  7. 10. Scientist who created Inertia and Gravity