News tagged with galaxy clusters

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.

date1 hour ago in Astronomy
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Model of galaxy and star cluster formation corrected

When galaxy clusters and globular star clusters form, a phenomenon called "violent relaxation" occurs. After interacting intensely, the thousands or even millions of bodies reach a state of relative gravitational equilibrium ...

dateDec 04, 2017 in Astronomy
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