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- Xref: sparky sci.space:11700 sci.physics:12740
- Newsgroups: sci.space,sci.physics
- Path: sparky!uunet!stanford.edu!leland.Stanford.EDU!leland.stanford.edu!zowie
- From: zowie@daedalus.stanford.edu (Craig "Powderkeg" DeForest)
- Subject: Re: Parsecs?
- In-Reply-To: bcollins@utdallas.edu's message of Wed, 12 Aug 1992 02:41:41 GMT
- Message-ID: <ZOWIE.92Aug12004854@daedalus.stanford.edu>
- Sender: news@leland.Stanford.EDU (Mr News)
- Organization: Stanford Center for Space Science and Astrophysics
- References: <1992Aug11.205655.6840@csi.on.ca> <1992Aug11.211445.6928@csi.on.ca>
- <1992Aug12.013040.618@leland.Stanford.EDU>
- <1992Aug12.024141.4913@utdallas.edu>
- Date: 12 Aug 92 00:48:54
- Lines: 19
-
- bcollins@utdallas.edu (Arlin B. Collins) writes:
- (Brian Kemper) writes:
- > (Richard Martin) writes:
- > > Please forgive my ignorance, but what the heck is a parsec?
- > I know a parsec is a unit of distance equal to roughly 3 light-years ...
- One parsec equals 30.857x10**12 km, 206265 astronomical units, and
- 3.2616 light-years.
-
- This talk of parsecs and so forth reminds me of my favorite volumetric unit:
- the barn megaparsec.
-
- A barn is a unit of atomic cross-section, 10^-20 cm^2. A barn megaparsec is
- about 1.6 teaspoons!
-
- --
- Craig DeForest: zowie@banneker.stanford.edu *or* craig@reed.bitnet
-
- "So, if you guys make a living looking at the SUN, why do you spend so much
- time at the SYNCHROTRON, working UNDERGROUND at NIGHT?"
-