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Comment 28 by Red Dog
Right off the bat, I am also wondering how a model that posits that a massive object like the sun can be held in orbit around a much less massive object like the earth could be reconciled with everything that we know to be true about gravitational forces.
Also, if memory serves, the Ptolemic model would require that the moon be twice as close to earth during certain times in its orbit, which would mean that it would appear twice as big.
The real advantage of the Copernican model is not just that "the math is simpler". It's advantage is that it does not have to discard everything we know about physics in order to be true.
Wtfbits, you wouldn't perhaps be an advocate of postmodernism or critical theory?
Permalink Wed, 31 Aug 2011 21:46:21 UTC | #866057