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I saw Saturn a few nights ago...

Started by Its A Conspiracy

Lighting on the Earth

Started by BishopTom

Gravity...

Started by Skyburn « 1 2 »

Explain the horizon

Started by tehsolace « 1 2 3 »

proof?

Started by person

Antartica

Started by Max Fagin « 1 2 »

Other Planets

Started by martin1337

 

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