On Fri, 25 May 2012, Tara Athan wrote:
> Fact examples:
> 1. The earth revolves around the sun.
>
>
> The earth, sun and everything else "in" the solar system follow paths around
> the center of mass of the system, which is itself revolving about the center
> of mass of the galaxy. Because the sun is more massive than everything else
> in the solar system, for some purposes the model consisting of a stationary
> sun and an earth which revolves around it is a useful model.
And in fact it is the FALSITY of the fact as postulated above, for other
solar systems, that permits the Doppler-based detection of exo-planets! (01)
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