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13 Cards in this Set
- Front
- Back
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Planet |
an astronomical object orbiting a star or stellar remnant
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Meteor |
a small body of matter from outer space that enters the earth's atmosphere
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Meteorite |
a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground |
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Meteoroid |
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere |
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Solar System |
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets
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Star |
a fixed luminous point in the night sky
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Sun |
A star |
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Mercury |
Smallest planet in the Solar System
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Earth |
the densest planet in the Solar System
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Jupiter |
Largest planet in the solar system |
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Venus |
Orbits the sun every 224.7 Earth days
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Mars |
Second smallest planet in the Solar System, after Mercury
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Saturn |
A gas giant with an average radius about nine times that of Earth
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