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File:A less cluttered version of Milky Way Arms.svg

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Summary

Description

A "God's view" map of Milky Way as seen from far Galactic North (in Coma Berenices). The yellow dot represents the position of Sun. The spiral arms are colored differently in order to highlight what structure belongs to which arm. H II regions are marked as dots colored in the same color as their spiral arm. They come in three sizes, measured by the excitation parameter U:

  1. small - U > 200 pc cm−2
  2. medium - 200 > U > 110 pc cm−2
  3. large - 110 > U > 70 pc cm−2
Date
Source File:Milky Way Arms.svg
Author User:YUL89YYZ, User:Ctachme, Kevin Krisciunas, Bill Yenne: "The Pictorial Atlas of the Universe", page 145 (ISBN 1-85422-025-X) and µOR.

Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2012-05-19 17:41:26 614 × 580 RJHall Uploading a file from a free published source using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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19 May 2012

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81c5ef64030bb7d3bcdbc4b286765ebfcfe1a8c5

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614 pixel

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current00:28, 19 September 2017Thumbnail for version as of 00:28, 19 September 2017614 × 580 (77 KB)FSockTransferred from en.wikipedia (MTC!) (1.1.0)

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