File:NGC 4490 (noao-n4490gariepy).jpg

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Captions

Captions

This pair of galaxies often goes by the nickname of the "Cocoon Galaxy." Each "blob" is actually a spiral galaxy that has been distorted by the other. Hints of spiral structure are still evident in the smaller galaxy.

Summary

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Description
English: This pair of galaxies often goes by the nickname of the "Cocoon Galaxy." Each "blob" is actually a spiral galaxy that has been distorted by the other. Hints of spiral structure are still evident in the smaller galaxy. These galaxies have already passed through their closest approach (perigalacticon) and are now speeding away from each other. A tail of stars stretches between the galaxies which are separated by at least 24,000 light years. All of this action takes place 40-50 million light years away. These interacting galaxies make a good real-world example for astronomers to compare computer models (simulations) of galactic collisions. Note the incredible number of starforming regions that have developed along facing sides of each galaxy.This image was taken as part of Advanced Observing Program (AOP) program at Kitt Peak Visitor Center during 2014.
Date 4 February 2014, 12:39:00 (upload date)
Source NGC 4490
Author KPNO/NOIRLab/NSF/AURA/Michael Gariepy/Adam Block
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current18:03, 23 October 2023Thumbnail for version as of 18:03, 23 October 20232,184 × 1,472 (469 KB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/noao-n4490gariepy.jpg via Commons:Spacemedia

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