Gravity and Space

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Across
  1. 4. a star that is just forming
  2. 6. an orbital shape that is not a perfect circle
  3. 7. the largest planet in our solar system
  4. 8. the object at the center of our solar system
  5. 9. a measurement that depends on gravity
  6. 11. the scientist who studies the universe
Down
  1. 1. the force caused by mass and distance between two objects
  2. 2. a push or a pull
  3. 3. combination of a star(s), planets, and moons
  4. 4. a dwarf planet in our solar system
  5. 5. a unit of measurement (distance from earth to the sun)
  6. 10. a measurement that does not change based on gravity
  7. 12. the path an object takes around a star