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THE SOLAR SYSTEM YOU
UNIT 8
| Term | Definition |
|---|---|
| GRAVITY | a force of attraction between objects that is due to their masses |
| MODEL | a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept |
| ORBIT | the path that a body follows as it travels around another body in space |
| SURFACE GRAVITY | intensity of the force of gravity at the surface of the earth or a celestial body. |
| ASTEROID | a small, rocky object that orbits the sun; most asteroids are located in a band between the orbits of Mars and Jupiter |
| COMET | a small body that gives off gas and dust as it passes close to the sun; a typical comet moves in an elliptical orbit around the sun and is made of dust and frozen gases |
| METEOR | a bright streak of light that results when a meteoroid burns up in Earth’s atmosphere |
| GALILEAN MOONS | the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto |
| SATELLITE | a small object that orbits, or revolves around, a larger object in space |
| TERRESTRIAL PLANETS | one of the highly dense planets nearest to the sun; Mercury, Venus, Mars, and Earth |
| GAS GIANT | a planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune |
Created by:
tyoung67
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