Dark Matter is Darker Than Once Thought

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Description: These galaxy clusters are part of a large study using Chandra and Hubble that sets new limits on how dark matter - the mysterious substance that makes up most of the matter in the Universe - interacts with itself. The hot gas that envelopes the clusters glows brightly in X-rays detected by Chandra (pink). When combined with Hubble's visible light data, astronomers can map where the stars and hot gas are after the collision, as well as the inferred distribution of dark matter (blue) through the effect of gravitational lensing.

Creator: Chandra X-ray Observatory Center

Record URL: chandra.harvard.edu/photo/2015/dark/

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Owner: Smithsonian Institution
Source: Flickr Commons
Views: 21219
macsj015252852 nasa chandra chandraxrayobservatory hubble xray optical galaxycluster darkmatter astronomy

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