Colliding Star Clusters

cluster-collisionThis Hubble Space Telescope image shows a pair of star clusters that are believed to be in the early stages of merging. The clusters are parts the gigantic 30 Doradus nebula (aka the Tarantula Nebula) which is 170,000 light-years from Earth in the Large Magellanic Cloud. The blue color is light from the hottest, most massive stars; the green from the glow of oxygen; and the red from fluorescing hydrogen.

Image Credit: NASA

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