However -...

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However, the cardinal had also crusaded ardently against heresy, and sixteen years  earlier had condemned the celebrated Giordano Bruno to death for, among other  heresies, preaching a form of Copernican philosophy. Thus the support of this man  encouraged Galileo in his hope that the Church might come to recognize not only his  discoveries, but the world-view they hinted at–the heliocentric (sun-centered) philosophy  of the Copernican system. For by this point, Galileo considered heliocentricity as providing the only model that fit all  his facts. Copernicus's model, with Kepler's adjustments (which included changing the  orbits of the planets from circles to ellipses) not only made mathematical sense, but it  explained  all  of his new data. The phases of Venus occurred because the sun lay  between the earth and Venus during part of the year; the surface of the moon 
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This note was uploaded on 12/14/2011 for the course HIST 2320 taught by Professor Siegenthaler during the Fall '07 term at Texas State.

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