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Space Systems
Term | Definition |
---|---|
solar system | a star and all of the objects that travel around it - planets, moons, asteroids, comets and meteoroids |
satellite | An object that revolves around another object in space (moon) |
sun | largest star in our solar system |
gravitational pull in our solar system | As planets move farther away from the sun, their gravitational pull towards it decreases. |
Asteroid Belt | the region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found |
Inner Planets | Small, rocky planets that orbit closest to the sun including Mercury, Venus, Earth, & Mars |
Outer Planets | Gaseous planets that are past the Asteroid Belt including Jupiter, Saturn, Uranus, & Neptune (called Gas Giants) |
scale model | a copy of an object that is bigger or smaller than the real size of an object |