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11 Cards in this Set

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  • Back
mass
The amount of material that an object contains
mass
The amount of material that an object contains
planet
A large bod in space that orbits a star such as the sun
comet
A ball of ice, rock, frozen gases, and dust that orbits the sun
asteroid belt
the region between Mars and Jupiter where most asteroids orbit the sun
solar system
A star, such as the sun, and all the bodies that revolve around it in space
green house effect
the warming of the atmosphere because of trapped heat energy from the sun
atmosphere
An envelope of gas surrounding a body in space
asteroid
a rocky object smaller than a planet that orbits a star
star
A glowing ball of hot gas that makes its own energy and light
meteor
An asteroid that enters the earth's atmosphere