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Hubblecast 58: Caught in the Cosmic Web

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Hubblecast 58: Caught in the Cosmic Web

M
Michael500ca

27 Views • Nov 01, 2012

Description

In this episode of the Hubblecast, Joe Liske (aka Dr J) shows how a team of astronomers has used Hubble and a battery of other telescopes to discover the secrets of massive galaxy cluster MACS J0717. They have found that an invisible filament of dark matter extends out of the cluster. This is our first direct glimpse of the shape of the scaffolding that gives the Universe its structure.

Credit: ESA/Hubble