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A new twist in the dark matter tale

An innovative interpretation of X-ray data from a cluster of galaxies could help scientists fulfill a quest they have been on for decades: determining the nature of dark matter.

dateDec 19, 2017 in Astronomy
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Image: Hubble's cosmic fireflies

Galaxies glow like fireflies in this spectacular NASA/ESA Hubble Space Telescope image. This flickering swarm of cosmic fireflies is a rich cluster of galaxies called Abell 2163.

dateDec 18, 2017 in Astronomy
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