File:Voyager 2 and Sirius motions to up right.png
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Summary
| Description |
English: Approximate paths of Voyager 2 and the star Sirius over the next 296,000 years, viewed from slightly above the ecliptic plane and looking towards just anticlockwise of the Vernal point. The Sun is in the centre; the yellow shell has a radius of ten light years centred on the Sun; Sirius is the white disc at the left (size exaggerated for clarity); the long white diagonal line from left to right is about 18 light years long and depicts the proper motion of Sirius for the next 296,000 years; the red arrow depicts the approximate path of Voyager 2 (simplified as a straight line, in reality it would trend slightly steeper and curve very slightly); the small white and red spots right of centre right depict Alpha and Proxima Centauri. |
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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: adjusting coordinates, changing light source and other parameters) is public domain and source files used are adapted from those described at User:84user/Size comparison. Physical information is based on the Wikipedia articles and elsewhere (see POVRay source files) about the respective bodies. Paul Stansifer's contributions to this image (POV-Ray code) 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") |
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 Creative Commons Attribution-Share Alike 2.5 Generic 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.
See also
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:25, 27 July 2009 | | 800 × 600 (60 KB) | 84user | {{Information |Description={{en|1=Approximate paths of Voyager 2 and the star Sirius over the next 296,000 years, viewed from slightly above the ecliptic plane and looking towards just anticlockwise of the Vernal point. The Sun is in the centre; the yello |
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