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    nolongtin's Avatar
    nolongtin Posts: 2, Reputation: 1
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    #1

    Sep 8, 2007, 05:19 AM
    Philosophy of science
    How was the trasition from geocentrism to heliocentrism executed. Who are the dramatis personal and their input to science.
    nolongtin's Avatar
    nolongtin Posts: 2, Reputation: 1
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    #2

    Sep 8, 2007, 05:37 AM
    Quote Originally Posted by nolongtin
    how was the trasition from geocentrism to heliocentrism executed. who are the dramatis personal and their input to science.
    How was the trasition from geocentrism to heliocentrism executed. Who are the dramatis personal and their input to science.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Sep 11, 2007, 12:58 PM
    In a nut shell:

    Nicolaus Copernicus - postulated a helio-centric model, but with circular orbits.
    Johannes Kepler - figured out the orbits are eliptical, and derived equations that accurately predicted the positions of the planets (Kepler's laws)
    Tycho Brahe - provided much of the detailed observational data that allowed Kepler to derive his laws, but Tycho himself never believed in the helio-centric model.
    Galileo Galilei - observed the phases of Venus using the telescpoe, giving evidence that it orbits the sun.
    Sir Isaac Newton - devised his theory of gravity, and derived equations that explained why Kepler's laws work.

    Look these guys up on Wikipedia for more detail.
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