Across
- 2. a large planet of low density consisting of helium and hydrogen
- 3. an event where a celestial body crosses the path of another
- 8. envelope of gasses surrounding the earth
- 10. planets inside of the asteroid belt in the solar system
- 11. planets outside of the asteroid belt in the solar system
- 12. planet a planet made of a solid material like rock
- 13. the path that a planet takes around a star
- 14. a planet that does not have enough mass to be considered a planet
Down
- 1. the forces that attracts an object to the center of the earth
- 4. all the planets orbiting the sun
- 5. a sphere-shaped large object in space
- 6. set of asteroids separating the terrestrial planets from the gas giants in the solar system
- 7. the belief that the earth is the center of the solar system
- 8. a measuring unit that is the length of the distance from the earth to the sun
- 9. the belief that the sun is the center of the solar system