the Earth, Moon, and Sun system

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Across
  1. 2. A force that pulls objects to another object
  2. 3. There is at least 1 that orbits around most planets.
  3. 8. The force that keeps Planets from going into the sun.
  4. 9. The only planet with living things in the solar system.
  5. 10. The largest star visible on Earth.
Down
  1. 1. The first scientist to discuss gravity.
  2. 4. How a planet revolves around the sun.
  3. 5. How much an object weighs.
  4. 6. The amount of matter an object has.
  5. 7. 2nd planet in the solar system.