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File:Elliptical galaxy IC 2006.jpg

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English: This NASA/ESA Hubble Space Telescope image shows an elliptical galaxy known as IC 2006. Massive elliptical galaxies like these are common in the modern Universe, but how they quenched their once furious rates of star formation is an astrophysical mystery. Now, the NASA/ESA Hubble Space Telescope and ESO's Very Large Telescope (VLT) have revealed that three billion years after the Big Bang, these types of galaxies still made stars on their outskirts, but no longer in their interiors. The quenching of star formation seems to have started in the cores of the galaxies and then spread to the outer parts.
Date
Source ESO website
Author ESA/Hubble & NASA Image acknowledgement: Judy Schmidt and J. Blakeslee (Dominion Astrophysical Observatory). Science acknowledgement: M. Carollo (ETH, Switzerland)

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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16 April 2015

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Date/TimeThumbnailDimensionsUserComment
current05:56, 17 April 2015Thumbnail for version as of 05:56, 17 April 20153,895 × 2,751 (953 KB)Artem KorzhimanovUser created page with UploadWizard

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