Re: OT: Jefferson?????????????????????????????????

On Wed, 29 Jul 2009 23:44:58 -0400, "Francis A. Miniter"
<faminiter@xxxxxxxxxxx> wrote:

While you may have two objects going round each other, e.g.,
twin stars, that is not what is going on in the solar
system. The mass of the sun greatly dwarfs the combined
mass of the planets and asteroids, so there is no way that
the gravitational fields of the planets could cause the sun
to go around them while they go around it.

This is not what I suggested. I spoke of two points in an isolated
empty environment.

If you would like a valid complication, I can give you one.
Earth does travel around the Sun in a more or less
circular pattern, but the Sun is also traveling more or less
circularly around the gravitational center of the galaxy at
the same time. So, if you were to stand still (a possibly
meaningless concept) outside of the reaches of the Milky Way
and focus a huge telescope on the planet Earth and plot its
course, you would find that it described a repeated series
of half circles in its peregrinations about the center of
the galaxy. The same would be said of the Moon's path
around Earth as Earth rotates around Sun.

And the Milkyway Galaxy is revolving around some other center, which
may be revolving around yet another center, et al, ad infinitum.
--
Howard
.

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