Re: Hubble constant?

Article View: sci.physics

Article #715

#715

From: Emory F. Bunn
Date: Wed, 05 Aug 1992 00:27

15 lines
997 bytes

In article <4AUG199218265061@zeus.tamu.edu> dwr2560@zeus.tamu.edu (RING, DAVID WAYNE) writes:
>ted@physics2 (Emory F. Bunn) writes...
>>              If the density of the Universe exactly equals the
>>critical density, then H_0 t_0 = 2/3.  In all other cases you're
>
>Don't you also need P=0, i.e. matter dominated?
>
>Dave Ring
>dwr2560@zeus.tamu.edu

Yes.  Absolutely.  I was implicitly assuming that the energy density of the Universe
is dominated by matter (as opposed to radiation, or vacuum energy).  I should
have said that.

-Ted

Technical Details

Message-ID: <15n79jINNb30@agate.berkeley.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!usenet.ins.cwru.edu!agate!physics1!ted

References: <1992Aug4.183334.20946@galois.mit.edu> <15mqt8INNlp@agate.berkeley.edu> <4AUG199218265061@zeus.tamu.edu>

Show Full Headers

Complete Article Headers

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!usenet.ins.cwru.edu!agate!physics1!ted
From: ted@physics1 (Emory F. Bunn)
Newsgroups: sci.physics
Subject: Re: Hubble constant?
Date: 5 Aug 1992 00:27:31 GMT
Organization: /etc/organization
Lines: 16
Message-ID: <15n79jINNb30@agate.berkeley.edu>
References: <1992Aug4.183334.20946@galois.mit.edu> <15mqt8INNlp@agate.berkeley.edu> <4AUG199218265061@zeus.tamu.edu>
NNTP-Posting-Host: physics1.berkeley.edu

Reply to Parent Message