12 terms

Science Solar System Vocabulary

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Terms in this set (...)

Rotate
to spin around an imaginary axis
Revolve
to move in a circular or nearly circular path around something else
Orbit
the path an object follows as it revolves
Axis
a real or imaginary line that a spinning object turns around
Craters
the hollow area or pit in the ground (most planets and moons have them)
Natural Satellite
a natural object (like a planet or moon) that orbits another larger object
Man-made Satellite
an object launched into space to orbit around the earth
Telescope
an instrument that enlarges objects so scientists can study space
Planet
a satellite of the Sun
Star
a hot sphere of gases that gives off energy (heat and light)
Constellation
a pattern or picture outlined by stars
Comet
chunks of ice or other material that move in long, narrow orbits

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