Well of darkness

August E. Evrard ()
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August E. Evrard: University of Michigan

Nature, 1998, vol. 394, issue 6689, 122-123

Abstract: Galaxy clusters must trap large quantities of dark matter, and we expect it to be sharply concentrated near their centres. But using a new method for interpreting the effects of gravitational lensing, a much smoother and less centrally concentrated distribution of dark matter is inferred in one cluster. This could produce insights into the mechanisms governing galaxy-cluster formation, or even be a clue to the nature of dark matter.

Date: 1998
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DOI: 10.1038/28034

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