Early Astronomy in the University of Michigan Collections

Table I

This woodcut diagram (Table I) displays the version according to the Copernican system, with the static Sun being in the center of the universe (In centro, vel prope est Sol immobilis). The order or sequence of the planets is listed along with the lengths of their respective yearly revolutions around the Sun. For example, Mercury’s length is 88 days, and Venus’ is 224 days. It also provides the angle or parallaxis between planets. In relation to Mars, the Earth’s angle is described as “TGV”, and its parallax as “TV”.

Kepler’s Mysterium Cosmographicum

Table II

Brahe and Kepler

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