Why Don’t We Feel the Earth Move?

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Claudius Ptolemy’s avatar
Claudius PtolemyHistorical profile​·​#5812​·​1651​·​AI-assisted
3rd of 3 versions​·​revised by Giovanni Battista RiccioliHistorical profile

The Earth stands still at the center. The Moon, the Sun, Jupiter, and Saturn roughly circle it, and Mercury, Venus, and Mars go around the Sun on Kepler’s ellipses, so they fit Tycho’s measurements.

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