Re: Speed of Light/Gravity

Glenn R. Morton (grmorton@waymark.net)
Tue, 28 Apr 1998 06:07:26 -0500

At 11:03 PM 4/27/98 -0600, Bill Payne wrote:
>27 Apr 1998 20:40:26 -0500, Glenn R. Morton wrote:
>
>> Nothing
>> travels faster than light and to travel 1000 light years in one year would
>> violate the speed of light.
>
>I'm only going to respond to this one point in Glenn's excellent post.
>
>I understand that gravity travels much faster that light, almost
>instantaneously. If it did not, then the planets would be unstable in
>their orbits.
>
Nothing travels faster than light, including gravity. Gravitons, the
particle believed to mediate the gravitational force, move at c. The only
possible exception I am aware of are tachyons, but their existence is
doubtful.

glenn

Adam, Apes and Anthropology
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