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11 Cards in this Set

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Asteroid
a piece of rock made up of material similar to that which formed the planets; mostly found in the asteroid belt between the orbits of Mars and Jupiter.
Comet
space object formed from dust and rock particles mixed with frozen water, methane, and ammonia that forms a bright coma as it approaches the sun.
Earth
third planet from the sun;has an atmosphere that protects life and surface temperatures that allow water to exist as a solid, liquid,and a gas.
Great Red Spot
giant,high-pressure gas storm on jupiter.
Jupiter
largest and fifth planet form the sun;contains more mass than all the other planets combined;has continuos storms of high-pressure gas and an atmosphere mostly of hydrogen and helium.
Mars
fourht planet from the sun;has polar ice caps,a thin atmosphere,and a reddish appearance from iron oxide in weathered rocks.
Mercury
smallest planet,closest to sun;has a thin atmosphere and a surface with many craters and high cliffs.
Meteor
a meteoroid that burns up in earth's atmosphere.
Meteorite
a meteoride that strikes the surface of a moon or planet.
Neptune
usually the eighth planet from the sun;is large and gaseous,has rings that vary in thickness,and is bluish-green in color.
Venus
second planet form the sun;similiar to earth in mass and size;has a thick atmosphere and a surface with craters,faultlike cracks,and volcanoes.