galaxy cluster

Can collisions between galaxy clusters be used as detectors for dark matter?

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When you buy through links in our articles, Future and its syndication partners may earn a commission. A view of the galaxy cluster around 1689 with purple galaxies and bright stars, not pictured, with its enormous amount of dark matter. | Credit: NASA Dark matter is notoriously antisocial, refusing to interact with light and “normal” … Read more

X-rays reveal secret gas in vast, distant galaxy cluster

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When you buy through links in our articles, Future and its syndication partners may earn a commission. The composite visible-light and X-ray image of the galaxy cluster Abell 2390, showing the vast expanse of hot, X-ray-emitting intra-cluster gas. | Credit: ESA/XMM-Newton/Euclid/Euclid Consortium/NASA By a new image of a gigantic universe cluster of older x-ray data, … Read more