File:NGC 4490 (noao-n4490gariepy).jpg
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[edit]DescriptionNGC 4490 (noao-n4490gariepy).jpg |
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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[edit]This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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current | 18:03, 23 October 2023 | 2,184 × 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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Credit/Provider | KPNO/NOIRLab/NSF/AURA/Michael Gariepy/Adam Block |
Source | NSF's NOIRLab |
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Date and time of data generation | 12:39, 4 February 2014 |
JPEG file comment | Processed with MaxIm DL |
Software used | Adobe Photoshop CS Windows |
File change date and time | 16:39, 30 August 2021 |
Date and time of digitizing | 01:12, 16 February 2004 |
Date metadata was last modified | 18:39, 30 August 2021 |
Unique ID of original document | adobe:docid:photoshop:23d61ddc-6092-11d8-ba28-999d31dd212d |
Keywords | NGC 4490 |
Contact information |
950 North Cherry Ave. Tucson, AZ, 85719 USA |
IIM version | 4 |