Solar system + gravity

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Across
  1. 2. All the planets orbit this object
  2. 5. Orbits the Sun
  3. 7. giant spherical shell surrounding our solar system
  4. 10. What keeps everything in space pulled together
Down
  1. 1. A famous scientist who is known for his three laws of motion
  2. 3. The measure of gravitational pull
  3. 4. Attraction between objects
  4. 6. frozen leftovers from the formation of the solar system composed of dust, rock, and ices
  5. 8. The amount of matter an object is made out of
  6. 9. Orbits the Moon