home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!elroy.jpl.nasa.gov!ames!agate!agate!matt
- From: matt@physics2.berkeley.edu (Matt Austern)
- Newsgroups: sci.physics
- Subject: Re: infinite universe
- Date: 4 Jan 93 11:10:09
- Organization: Lawrence Berkeley Laboratory (Theoretical Physics Group)
- Lines: 25
- Message-ID: <MATT.93Jan4111009@physics2.berkeley.edu>
- References: <1993Jan4.184114.151@vms.huji.ac.il> <1993Jan4.184245.28970@novell.com>
- Reply-To: matt@physics.berkeley.edu
- NNTP-Posting-Host: physics2.berkeley.edu
- In-reply-to: dseeman@novell.com's message of 4 Jan 93 18:42:45 GMT
-
- In article <1993Jan4.184245.28970@novell.com> dseeman@novell.com (Daniel Seeman) writes:
-
- > On a philosophical level, what is the meaning of a Universe with a
- > finite size? What is happening at the boundary between that which
- > is the Universe and that which is not? And, what would happen if I
- > stepped into that region which was defined as the "Non-Universe?"
- >
- > On this very non-rigourous (even symplistic) level, there can be no
- > boundary to the Universe. Any "region" found outside the Universe
- > would automatically become part of our Universe (which would have
- > just expanded to include the "region" you were interested in). I
- > belive this provides a qualitative descript ion of the "Infinite
- > Universe."
- >
-
- Saying the the universe does not have a boundary is not the same as
- saying that it is infinite.
-
- To use the classic analogy: the two-dimensional surface of a balloon
- does not have a boundary. However, this surface has finite volume.
- --
- Matthew Austern Just keep yelling until you attract a
- (510) 644-2618 crowd, then a constituency, a movement, a
- austern@lbl.bitnet faction, an army! If you don't have any
- matt@physics.berkeley.edu solutions, become a part of the problem!
-