Six 60-Second Adventures in Thought by the Open University

Boise_Libsays...

Einsteinian Time Dilation is not the basis of GPS.

Time dilation had to be taken into account by GPS--because of how fast the satellites are moving (Einstein's Special Theory of Relativity)--and because the gravitational field of the earth is less at that distance (Einstein's General Theory of Relativity).

GPS & Relitivity

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