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- From: raicu@netcom.com (Eugen Raicu)
- Subject: Re: Flying fast enough and becoming a black hole
- Message-ID: <1992Nov22.173853.25786@netcom.com>
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- References: <0f3Hb6i00YUoBAKmUJ@andrew.cmu.edu>
- Distribution: sci.physics
- Date: Sun, 22 Nov 1992 17:38:53 GMT
- Lines: 24
-
- Steven Timm (st0o+@andrew.cmu.edu) wrote:
- : The idea of increasing mass with increasing velocity is one of the more
- : common fallacies. Consider the following: There are some quasars in the
- : universe whose redshifts indicate they are moving away from us at .99c
- : due to the expansion of the universe. It follows that earth, and the solar
- : system, and the local galaxy, are going .99c in their rest frame.
- :
- : Since our mass must be the same in our reference frame or theirs, and we've
- : not turned into a black hole in either case, it follows that we are not
- : in danger of turning into a black hole through excess velocity.
- :
- : The actual process of making a black hole involves general relativity
- : with which I am not too familiar, but I think it's clear that speed alone
- : will not do it.
- :
- : Steve Timm
- :
- I assume that when you say "mass" above, you mean "rest mass."
- p/v is not the same in all frames.
- --
- Eugen Raicu
- raicu@netcom.com
- 1912 Addison Street Apt. 15, Berkeley, CA 94704-1128
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