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Article #4710

Re: Compelling Mysteries (II)

#4710
From: Jarle Brinchmann
Date: Wed, 11 Nov 1992 14:00
40 lines
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In article <1992Nov11.052908.22313@galois.mit.edu>, jbaez@riesz.mit.edu (John C. Baez) writes:
|>
|>In article <1992Nov10.203037.13332@sfu.ca> palmer@sfu.ca (Leigh Palmer) writes:
|>
|>>What are the gamma ray bursters? One of the arguments advanced by
|>proponents of orthodoxy on the first conundrum was that annihilation
|>radiation was not seen from intergalactic space. Could be we've started
|>to see some? Could be we've just started to look for it.
|>
|>Hmm.  Weird that it only occurs for short bursts, then.
|>
|>I listen to "Earth and Sky," a public radio show that airs in the middle
|>of "Morning Edition" here in Riverside.  Yesterday they said that
|>someone is trying to use gamma ray bursters to investigate dark matter.
|>I guess the idea is that if dark matter is fairly big hunks of stuff
|>(comet-sized??) it should cause some distinctive dispersion in the gamma
|>rays.  Does anyone know anything about this idea?  It's not clear to me
|>how much info one can get without understanding the bursters at all.
|>
|>
|>
This will not be a very informative article :-)

The small things I've heard, is that one tries to see whether the gamma-ray
bursts are uniformly distributed over the sky, and recent results seem to 
indicate that. 

If this is right, that will clearly indicate that these bursts are extra-
galactic in origin (I will _not_ say prove, because one could think of
the possibility that the bursts could come from the spherical halo of our
galaxy). If this is so, I guess we could be in for a treat, since we then
have to come up with the sources.... Lot's of fun for theorists :-).

				Jarle.

      ---------------------------------------
       Internet: jarleb@medusa.uio.no         
       or        Jarle.Brinchmann@astro.uio.no
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Message-ID: <1992Nov11.140007.16660@ulrik.uio.no>
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References: <1992Nov10.151421.11274@murdoch.acc.Virginia.EDU> <1992Nov10.203037.13332@sfu.ca> <1992Nov11.052908.22313@galois.mit.edu>

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From: jarleb@diana.uio.no (Jarle Brinchmann)
Subject: Re: Compelling Mysteries (II)
Message-ID: <1992Nov11.140007.16660@ulrik.uio.no>
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Organization: Institute for Theoretical Astrophysics
References: <1992Nov10.151421.11274@murdoch.acc.Virginia.EDU> <1992Nov10.203037.13332@sfu.ca> <1992Nov11.052908.22313@galois.mit.edu>
Date: Wed, 11 Nov 1992 14:00:07 GMT
Lines: 41