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- From: matmcinn@nuscc.nus.sg (.)
- Subject: Re: two point masses in an expanding universe
- Message-ID: <1993Jan6.053448.2995@nuscc.nus.sg>
- Organization: National University of Singapore
- X-Newsreader: Tin 1.1 PL4
- References: <38145@uflorida.cis.ufl.edu>
- Date: Wed, 6 Jan 1993 05:34:48 GMT
- Lines: 13
-
- rubio@pine.circa.ufl.edu (RUBIO) writes:
- :
- : This is a simple question that bothers me a lot:
- :
- : Imagine there are two (point) masses separated by a finite distance in an
- : expanding universe. The distance between the two masses increases
- Correct.
-
- and so
-
- : does their (relative) velocities,
- No. Their relative velocity is zero, and remains zero. In an expanding
- universe, the distances increase, but there is no motion.
-