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Space, Sun and Moon
Astronomy
Astronomy definition: The study of all things in space, like the Sun, stars, and planets.
Related Terms
Axis
Crater
Electromagnetic Spectrum
Equinox
Gravity
Lunar Eclipse
Maria
Moon Phase
Observatory
Orbit
Penumbra
Radio Telescope
Reflecting Telescope
Refracting Telescope
Revolution
Rocket
Rotation
Satellite
Solar Eclipse
Space Probe
Space Shuttle
Space Station
Telescope
Thrust
Umbra
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