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From: art@denelvx.UUCP (Art Coleman)
Newsgroups: net.physics
Subject: Re: Light
Message-ID: <102@denelvx.UUCP>
Date: Thu, 18-Jul-85 13:38:14 EDT
Article-I.D.: denelvx.102
Posted: Thu Jul 18 13:38:14 1985
Date-Received: Sat, 20-Jul-85 15:15:25 EDT
References: <388@sri-arpa.ARPA>
Organization: Denelcor, Aurora, Colorados
Lines: 33
>From: Rick McGeer
>>
>> From: ihnp4!inuxc!inuxd!claus@BERKELEY (David Claus)
>>
>> The speed of light is not always constant. Einstein assumed that
>> the speed of light was constant through any round trip. The
>> speed of light through one leg of that trip can be greater than
>> the speed through another leg.
>>
>> Take for example a light pulse being sent from the earth to the moon
>> and back. Light will travel faster on the way back than on the way
>> there because of gravity effects. Does general relativity take this
>> into account somehow? It is proven that gravity bends light waves
>> (through sun eclipse experiments) so why shouldn't gravity also increase
>> the speed of the light wave? Has there been an experiment that has
>
>Gravity won't accelerate a light wave. *Nothing* accelerates a light wave in a
>vacuum. Instead, the wavelength is affected, in much the same way that the
>wavelength of light varies as the observer's velocity wrt to the source varies.
>
> Rick.
Does this mean that light DOES excape a black hole, but at a wavelength
(IE: frequency?) so high or low as to be undetectable? Does QM maintain
that this wavelength is infinately long with the resulting frequency of 0?
In that case, what happens to the photon? energy?
@ = Art Coleman - Manager Operating Systems Software Development
Denelcor Inc. - 17000 E. Ohio Pl. - Aurora Colo 80017
303-337-7900
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