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Herschel discovers galaxy cluster core ablaze with star formation.

4 Jan 2015, 14:25 UTC
Herschel discovers galaxy cluster core ablaze with star formation.
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Source: ESA/Herschel Galaxy Cluster Fireworks. Credit: X-ray: NASA/CXC/INAF/P.Tozzi, et al; Optical: NAOJ/Subaru and ESO/VLT; Infrared: ESA/Herschel/J. Santos, et al. In the present universe galaxy clusters cores are typically populated by massive "red and dead" galaxies. At some point in cosmic history, however, these galaxies must have formed the bulk of their stars. Now Herschel has […]

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