Image: NGC 3923 Elliptical Shell Galaxy

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Description: The glowing object in this image is an elliptical galaxy called NGC 3923. It is located over 90 million light-years away in the constellation of Hydra. NGC 3923 is an example of a shell galaxy where the stars in its halo are arranged in layers. NGC 3923 has over twenty shells, with only a few of the outer ones visible in this image and its shells are much more subtle than those of other shell galaxies. The shells of this galaxy are also interestingly symmetrical, while other shell galaxies are more skewed.
Title: NGC 3923 Elliptical Shell Galaxy
Credit: http://www.spacetelescope.org/images/potw1519a/
Author: NASA/ESA Hubble Space telescope
Permission: http://hubblesite.org/about_us/copyright.php
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

Image usage

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Image:Galactic onion.jpg

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