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And the mountains?

Started by KevinIlProf « 1 2 3 4 »

Speed of The Sun

Started by Stagiri « 1 2 3 4 »

Answer these:

Started by Rekt « 1 2 3 4 »

What is agreed upon?

Started by Norm77 « 1 2 3 4 »

Rotations of the stars?

Started by MrAtlas « 1 2 3 4 »

High tide(s)

Started by Ga_x2 « 1 2 3 4 »

Seeing the curvature of the Earth directly

Started by shootingstar « 1 2 3 4 »

Read the FAQ and still: why?

Started by Wonderer « 1 2 3 ... 5 »

The burden of proof.

Started by DuniyaGolHai « 1 2 3 ... 5 »