File:Hertzsprung-Russell.jpg
Original file (1,000 × 735 pixels, file size: 138 KB, MIME type: image/jpeg)
Summary
The Hertzsprung-Russell diagram of four groups of stars, relating brightness to stellar temperature.
Copyright status
This image is credited to NASA and the Jet Propulsion Laboratory. Per JPL/NASA policy and applicable United States federal law, such images are in the public domain, or, if they are owned by individuals or institutions other than NASA or JPL, may be used for any journalistic, educational, or personal purpose (but not a commercial purpose) without further authorization. NASA and JPL images, other than their respective institutional logos, or photographs of actual persons, are not subject to copyright and may be used without additional permission, unless otherwise declared. For details, see the JPL Image Use Policy Declaration.
Source
NASA, Goddard Space Flight Center, http://imagine.gsfc.nasa.gov/docs/teachers/lifecycles/Image31.gif (Transformed to JPG and scaled by User:Temlakos)
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:29, 22 April 2008 | | 1,000 × 735 (138 KB) | Temlakos (talk | contribs) | The Hertzsprung-Russell diagram of four groups of stars, relating brightness to stellar temperature. |
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