Hubblecast 05: Hubble discovers ring of dark matter

Witte Wyven 2007-12-12

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Hubblecast 05: Hubble discovers ring of dark matter

An international team of astronomers using the NASA/ESA Hubble Space Telescope has discovered a ghostly ring of dark matter formed long ago during a colossal collision between two galaxy clusters. This is the first time that dark matter has been found with a distribution that differs substantially from the distribution of ordinary matter.

Credit:

ESA/Hubble (M. Kornmesser

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