File:M101 WF SDSSsdida (26149661480).jpg
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Messier 101 - Pinwheel Galaxy Credit: SDSS / Giuseppe Donatiello (J2000) RA 14h 03m 12.6s +54° 20′ 57″ M101 or NGC 5457 is a face-on spiral galaxy distant 21 million light-years in Ursa Major, first discovered by Pierre Méchain on March 27, 1781. With a diameter of 170,000 light-years it is roughly equal the size of the Milky Way. M101 has five prominent companion galaxies: NGC 5204, NGC 5474, NGC 5477, NGC 5585, and Holmberg IV. |
| Date | |
| Source | M101 WF SDSSsdida |
| Author | Giuseppe Donatiello |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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This image was originally posted to Flickr by gjdonatiello at https://flickr.com/photos/133259498@N05/26149661480. It was reviewed on 30 August 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-zero. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 17:36, 30 August 2017 | | 3,116 × 3,116 (4.9 MB) | JotaCartas (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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