I'm conducting an informal survey of sorts.
Going back to ancient Greece or so, most astronomers subscribed to a geocentric model of the universe. Eventually, of course, that was superseded by a heliocentric model. When and why do you think this change occurred? That is, if you think a particular astronomer was responsible, what do you think that astronomer did (in terms of specific observations, say) to bring about the transition?
This isn't a quiz. I don't want people to look up answers or anything. I'm just trying to gauge what common knowledge is.
Going back to ancient Greece or so, most astronomers subscribed to a geocentric model of the universe. Eventually, of course, that was superseded by a heliocentric model. When and why do you think this change occurred? That is, if you think a particular astronomer was responsible, what do you think that astronomer did (in terms of specific observations, say) to bring about the transition?
This isn't a quiz. I don't want people to look up answers or anything. I'm just trying to gauge what common knowledge is.
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