[geocentrism] Re: Gravity Slingshots?
- From: "Robert Bennett" <robert.bennett@xxxxxxx>
- To: <geocentrism@xxxxxxxxxxxxx>
- Date: Sun, 13 Feb 2005 23:05:19 -0500
Gary,
see http://en.wikipedia.org/wiki/Gravitational_slingshot
Robert
> -----Original Message-----
> From: geocentrism-bounce@xxxxxxxxxxxxx
> [mailto:geocentrism-bounce@xxxxxxxxxxxxx]On Behalf Of Gary Shelton
> Sent: Sunday, February 13, 2005 10:41 PM
> To: geocentrism@xxxxxxxxxxxxx
> Subject: [geocentrism] Gravity Slingshots?
>
>
>
> Dr. Jones,
>
> I remember actually hearing the explanation for a slingshot on network tv
> during what would have otherwise been and enjoyable cartoon time. Never
> liked the moon launches for that reason.
>
> Looking at them now it is easy for me to gravitate (pun intended) to the
> word "preposterous", but this does leave me close-minded the proponents
> would say. Therefore, I'll remain open enough to hear the
> reasoning, but I
> can't off-hand see how it would gain momentum for the reason you
> spelled out
> to Philip below.
>
> Whenever one tries to maintain a curve in a car at a steady
> speed, and then
> speeds up, does he not risk flying off the boundary of the curve?
> Then what
> direction is he going?
>
> Of course, one could argue easily that I am neither a professional driver
> nor a trained astrophysicist, but it seems a very difficult proposition to
> have a space probe match a planetary rotation at the right height off that
> planet so that the whole thing works.
>
> I am open, but I'd like to have that explained....
>
> Sincerely,
>
> Gary Shelton
>
>
>
> > Philip,
>
> <snip> This is why I said that the acceleration it received on approach
> would be completely negated by the deceleration it experienced on
> recession.
> >
> > Besides all this, the accuracy required for this science fiction
> manoeuver, over billions of kilometres, is absurd. I will not produce
> detailed mathematics on the forum, because many would not follow it. I
> appeal to your common sense and everyday experience instead.
>
> <snip>
>
> > The alleged probe would be pulled back, with a force that is
> basically the
> same strength and the opposite direction to that which it would have
> received on approach. Gravity slingshots are nonsense.
> >
> > Neville.
> >
>
>
>
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>
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