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6th Solar System
| Term | Definition |
|---|---|
| Gravity | force of attraction between two objects due to their masses |
| Orbit | the path that one object in space follows as it revolves around another object |
| Rotate | the spinning of an object on its axis |
| Revolve | to orbit or move around an object |
| Surface Gravity | the force of gravity at the surface of the Earth or other celestial body |
| Solar System | consists of the sun and everything that orbits around it. Includes planets, their moons, and comets and asteroids |
| Gas Giant planets | a large planet composed mostly of gases, with a relatively small, rocky core. The four gas giant planets are Jupiter, Saturn, Uranus, Neptune |
| Terrestrial Planets | planets that are made up of rocks or metals with a hard surface. They have few moons and features such as valleys and volcanoes. The four terrestrial planets are Mercury, Venus, Earth, and Mars |
| Moon | a large, natural object that orbits around a planet. The Earth has one moon, while other planets may have more. |
| Asteroid | a small, rocky body that orbits the Sun |
| Comet | an object that orbits the sun; made of frozen water and dust, and has a tail of gas and dust particles that points away from the Sun |
| Meteor | a small piece of matter from outer space that becomes a streak of light when it falls through the Earth’s atmosphere and burns up. |
Created by:
blair.sullivan
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