This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
DescriptionMilky Way Spiral Arms.png
→ Milky Way Spiral Arm (other versions)
Date
Source
Made from publicly available data; released under the GFDL. La bildo estas kopiita de wikipedia:en.
Author
User:Dragons flight
Other versions
→ Milky Way Spiral Arm (other versions)
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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
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.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
File:Milky Way Spiral Arm.svg is a vector version of this file. It should be used in place of this PNG file.
File:Milky Way Spiral Arms.png → File:Milky Way Spiral Arm.svg
For more information, see Help:SVG.
In other languages
Alemannisch ∙ Bahasa Indonesia ∙ Bahasa Melayu ∙ British English ∙ català ∙ čeština ∙ dansk ∙ Deutsch ∙ eesti ∙ English ∙ español ∙ Esperanto ∙ euskara ∙ français ∙ Frysk ∙ galego ∙ hrvatski ∙ Ido ∙ italiano ∙ lietuvių ∙ magyar ∙ Nederlands ∙ norsk bokmål ∙ norsk nynorsk ∙ occitan ∙ Plattdüütsch ∙ polski ∙ português ∙ português do Brasil ∙ română ∙ Scots ∙ sicilianu ∙ slovenčina ∙ slovenščina ∙ suomi ∙ svenska ∙ Tiếng Việt ∙ Türkçe ∙ vèneto ∙ Ελληνικά ∙ беларуская (тарашкевіца) ∙ български ∙ македонски ∙ нохчийн ∙ русский ∙ српски / srpski ∙ татарча/tatarça ∙ українська ∙ ქართული ∙ հայերեն ∙ বাংলা ∙ தமிழ் ∙ മലയാളം ∙ ไทย ∙ 한국어 ∙ 日本語 ∙ 简体中文 ∙ 繁體中文 ∙ עברית ∙ العربية ∙ فارسی ∙ +/−
date/time
username
edit summary
04:55, 4 May 2005
en:User:Dragons flight
01:52, 10 March 2005
en:User:Dragons flight
01:34, 10 March 2005
en:User:Dragons flight
(Description and copyright tag)
01:31, 10 March 2005
en:User:JYolkowski
({{GFDL}}tag)
01:26, 10 March 2005
en:User:Dragons flight
(Spiral Structure of the Milky Way, GFDL)
Captions
Add a one-line explanation of what this file represents
GNU Free Documentation License, version 1.2 or later
inception
10 March 2005
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time
Thumbnail
Dimensions
User
Comment
current
13:08, 15 December 2011
518 × 451 (20 KB)
Mayhaymate
Optimized with PNGOUT
15:25, 14 January 2006
518 × 451 (26 KB)
Maksim
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: Observed spiral structure of the Milky Waygalaxy following {{journal reference|Author=Taylor, J.H. & Cordes, J.M|Journal=Astrophysical Journal|Volume=411|Pages=674-684|Year=19
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):