Submitted by starfyredragon t3_zmt3lg in askscience
dogninja8 t1_j0gi45t wrote
Reply to comment by Aescorvo in Does rotation break relativity? by starfyredragon
Isn't orbit always a non-inertial (accelerating) reference frame, since your velocity vector is always changing direction? The only way to keep your velocity vector pointing in the same direction (relative to you) is to be rotating yourself, which is also a non-inertial reference frame.
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