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Earth and Space
Term | Definition |
---|---|
Rotation | The spinning of Earth on its axis |
Revolution | The movement of one object around another |
Orbit | A path of an object as it revolves around another object in space |
Geocentric | A model of the universe in which Earth is at the center of the revolving planets and stars |
Heliocentric | A model of the solar system in which Earth and the other planets revolve around the sun |
Natural satellite | An object that revolves around another object in space and is not man-made |
Solar System | A vast region containing the sun, planets, and many other objects |
Astronomy | The study of the moon, stars, and other objects in space |