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- Organization: Stanford Linear Accelerator Center
- Date: Thursday, 28 Jan 1993 09:40:12 PST
- From: Jon J Thaler <DOCTORJ@SLACVM.SLAC.STANFORD.EDU>
- Message-ID: <93028.094012DOCTORJ@SLACVM.SLAC.STANFORD.EDU>
- Newsgroups: sci.astro
- Subject: Re: "Modeling" the Expanding Universe?
- Lines: 18
-
- metares@well.sf.ca.us (Tom Van Flandern) says:
-
- > schumach@convex.com (Richard A. Schumacher) writes:
-
- >> If one adds two test particles to the universe, the general expansion
- >> does NOT by itself cause the test particles to move apart. Subsequent
- >> movement of the test particles depends on their mutual gravity and the
- >> gravitational or electromagnetic forces imposed on them by other
- >> matter/energy in the usual, non-cosmological ways.
-
- > If the matter density is uniform, then the pair of test particles
- > increases its mutual separation due to the appearance of new space between
- > them, although both stay put in space. Their motion in response to forces
- > is superimposed on that cosmological "expansion."
-
- You are wrong. I challenge you to show a calculation, or give a reference
- to one, which demonstrates that test particles (initially at rest wrt each
- other) will move apart as a result of the expansion of the universe.
-