PHYSIC

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Across
  1. 2. Jupiter's four largest moons were discovered by
  2. 5. piece of rock or metal that strikes a planet’s or moon’s surface is
  3. 6. the planet that is called as the Red Planet
  4. 8. type of model are the Sun, other stars, and the Moon in orbit around the Earth
  5. 12. object in our solar system that has the greatest density
  6. 13. planets contains Methane
  7. 14. energy caused by the object that moving
Down
  1. 1. planet that beautiful and prominent ring system
  2. 3. type of model where sun is the center and other planet orbit the sun
  3. 4. planet does not have some forms of ice on it
  4. 7. spinning of the earth on its axis that causes day and night is called
  5. 9. caused by the tilt of Earth's axis
  6. 10. the force of attraction between all objects in the universe
  7. 11. dwarf planet” in our solar system