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'Mass map' probes dark matter (BBC News)

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Dudley_DUright Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Jul-18-03 09:32 AM
Original message
'Mass map' probes dark matter (BBC News)
Astronomers have made a 'mass map' of one of the most massive structures in the Universe, showing how much more there is to it than glowing stars and gas.

The object is a distant cluster of galaxies that contains 'dark matter,' the unknown component that comprises most of the mass of the Universe.

The map shows it is distributed in much the same way as are the visible stars.

Researchers believe it will lead to a better understanding of the mysterious dark matter even though it does not help them find out exactly what it is.



Dark matter is shaded blue

more...

http://news.bbc.co.uk/2/hi/science/nature/3077449.stm

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Paschall Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Jul-18-03 09:35 AM
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1. The Spice?
:shrug:
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Dudley_DUright Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Jul-18-03 09:41 AM
Response to Reply #1
2. Considering dark matter accounts for about 80-85%
of the mass of the universe, I would say that "we" (ordinary baryonic matter) are the spice.
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Paschall Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Jul-18-03 09:51 AM
Response to Reply #2
3. I was referring to the Spice blue map
An allusion to "Dune." ;-)

There's a more complete story on this map at New Scientist. http://www.newscientist.com/news/news.jsp?id=ns99993952
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Dudley_DUright Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Jul-18-03 05:29 PM
Response to Reply #3
4. OK, I get it now
(As a big Frank Herbert fan I should have gotten it the first time). Thanks for the link.
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