Image: Signatures of the Earliest Galaxies

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Description: The three panels show different components of near-infrared background light detected by the Hubble Space Telescope in deep-sky surveys. The one on the left is a mosaic of images taken over a 10-year period. When all the stars and galaxies are masked, the background signals can be isolated, as seen in the second and third panels. The middle panel reveals "intra-halo light" from rogue stars torn from their host galaxies, and the panel on the right captures the signature of the first galaxies formed in the universe.
Title: Signatures of the Earliest Galaxies
Credit: http://www.spacetelescope.org/images/opo1534a/
Author: NASA, ESA, and K. Mitchell-Wynne (University of California, Irvine)
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: http://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes

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Galaxy

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