File:1e11m comparison R Doradus and Betelgeuse, and smaller - antialiased transparency.png
Original file (1,024 × 768 pixels, file size: 57 KB, MIME type: image/png)
Captions
Captions
| 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. Transparency version. |
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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
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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. |
- 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.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 17:31, 28 November 2008 | | 1,024 × 768 (57 KB) | 84user (talk | contribs) | {{Information |Description={{en|1=Comparison of size of Betelgeuse (largest 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 |
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