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chpt8 lesson3


planet a large body that orbits a star
moon an object that orbits a planet
solar system consists of a star, such as the sun, as well as planets, moons, and other bodies traveling around it
inertia the 2nd property that keeps planets in orbit
asteroids rocky or metallic objects that orbit the sun
comet a ball of ice and rock that orbits the sun
meteoroids small, rocky, or metallic objects that orbit the sun both inner and outer regions of the solar system
meteor a meateoroid that enters earth's atmosphere
meteorite a meteoroid that strikes earth's surface
name the planets (start from closest to the sun) mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
which planets are the inner planets? mercury, venus, earth, mars
which planets are the outer planets? jupiter, saturn, uranus, neptune
what is pluto classified as? a dwarf planet
which planet is most similar to earth? venus
what do astronomers call space rocks that hit earth's surface? meteorites
what are other objects in the solar system? asteroid belt, dwarf planets, comets, the kuiper belt, the oort cloud, and meteorids
Created by: moncheechee19