1e11m_comparison_R_Doradus_and_Betelgeuse,_and_smaller_-_antialiased_no_transparency.png
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| Description |
English:
Comparison of size of Betelgeuse (largest dull-red sphere inside Jupiter's orbit) and R Doradus (red sphere shown inside Earth's orbit) together with the orbits of Mars, Venus and Mercury and the stars Rigel and Aldebaran from
Image:1e10m comparison Rigel, Aldebaran, and smaller - antialiased no transparency.png
, to scale. The faint yellow sphere centred on the Sun has a radius of one light-minute. The yellow ellipses represent the orbits of each planet. No transparency version.
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| Source |
derived from Paul Stansifer's POV-Ray source files (see below), by me, 84user, using w:en:POV-Ray , and w:en:IrfanView . 84user's contribution (inside POV-Ray files: adapting Paul's star macros for Rigel and Aldebaran, adjusting coordinates, changing light source and other parameters) is public domain and source files used are described at User:84user/Size comparison . Physical information is based on the Wikipedia articles and elsewhere (see POVRay source files) about the respective bodies, and most star colours taken from http://www.vendian.org/mncharity/dir3/starcolor/ . Paul Stansifer's contributions to this image (mainly star surfaces) are available under the GPL, v. 2, and other licenses. See User:Paul Stansifer/Size comparison for more details and the other licenses. |
| Author | Paul Stansifer , and User:84user (see "source") |
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Licensing
Because this image was rendered using only Paul Stanfiser's POV source code (no external texture maps used), it is a pure derivative. Therefore Paul's licenses apply; you may use it under the terms of any of these:
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This work is free software ; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation ; version 2. This work is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See version 2 of the GNU General Public License for more details. |
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers . | |
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| This licensing tag was added to this file as part of the GFDL licensing update . |
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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 . Subject to disclaimers . |
This file is licensed under the
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