Torah and Jewish Idea > Torah and Jewish Idea
Earth at the Center of the Universe
HiWarp:
Does your view of the geocentric model explain the retrograde motion of planets that is observed from the Earth by using epicycles? Is it a common belief that the planets of our solar system all orbit the Sun and that this system then orbits the Earth?
What about the gravitational force of objects being directly related to their mass?
androbot2084:
As far as the official opinion of Stephen Hawking, Hawking stated that if the universe is infinite then any point in the universe could be the center.
Obviously the Ptolemy model of a geocentric universe is fundementally flawed as proven by the observation of the phases of Venus. However astronomer Tycho Braun presented a hybrid Ptolemy Copernicus model of the universe in which the planets orbit around the Sun as the Sun orbits the Earth. This model has good navigational accuracy however it does cause the planets to assume spirographic orbits in relation to the Earth.
HiWarp:
--- Quote from: androbot2084 link=topic=4093.msg90690#msg90690 date= ---As far as the official opinion of Stephen Hawking, Hawking stated that if the universe is infinite then any point in the universe could be the center.
Obviously the Ptolemy model of a geocentric universe is fundementally flawed as proven by the observation of the phases of Venus. However astronomer Tycho Braun presented a hybrid Ptolemy Copernicus model of the universe in which the planets orbit around the Sun as the Sun orbits the Earth. This model has good navigational accuracy however it does cause the planets to assume spirographic orbits in relation to the Earth.
--- End quote ---
But in Tycho Brahe's model there existed instances where Jupiter and Saturn where closer to the Earth than Mars and Venus.
androbot2084:
I am not saying that Tycho's model does not need updating however a spirographic Earth centered universe will have more support from the artistic community as it generates more interesting geometric patterns rather than the boring circular patterns of the Copernicus model. Also we have to consider the politics of the day and the fact that Tycho treated Kepler like a dog so it is no wonder that when Tycho died Kepler abandonded the Tycho model in favor of the Copernicus model and this was done out of spite rather than scientific accuracy.
androbot2084:
I just downloaded my spirographic earth centered universe computer simulator. I found this at www.pwr-tools.com/simsolar/index.htm
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