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Rotation
Rotation definition: The turning of a planet on its axis.
Related Terms
Astronomy
Axis
Crater
Electromagnetic Spectrum
Equinox
Gravity
Lunar Eclipse
Maria
Moon Phase
Observatory
Orbit
Penumbra
Radio Telescope
Reflecting Telescope
Refracting Telescope
Revolution
Rocket
Satellite
Solar Eclipse
Space Probe
Space Shuttle
Space Station
Telescope
Thrust
Umbra
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