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Astronomy magazine podcast: More on the COSMOS project

Nick Scoville and Jason Rhodes of the COSMOS project explain how they mapped dark matter.
COSMOS results
By measuring how dark matter bent light from distant galaxies, the COSMOS team created this false-color plot of the distribution of dark matter.
NASA / ESA / R. Massey (Caltech)
January 11, 2007
Earlier this week, astronomers with the Cosmic Evolution Survey (COSMOS) project released the first three-dimensional map of dark matter. In this week's show, Caltech's Nick Scoville and Jason Rhodes explain how they conducted this survey and why our universe wouldn't exist without dark matter.

To learn more about COSMOS, visit their web site.

After you listen, e-mail us here and let us know what you think.

If you would like to subscribe to our podcast, click here.
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