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File:Voyager 2 and Sirius motions to up right3.png

Voyager_2_and_Sirius_motions_to_up_right3.png ‎(800 × 600 pixels, file size: 58 KB, MIME type: image/png)

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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 90 degrees anticlockwise of the Vernal point. The Sun is in the centre; the large yellow shell has a radius of ten light years centred on the Sun; Sirius is the white disc to 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 left of centre depict Alpha and Proxima Centauri.
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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: 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 edit

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:


GNU head 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.
w:en:Creative Commons
attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported 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.
This licensing tag was added to this file as part of the GFDL licensing update.
GNU head 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.
w:en:Creative Commons
attribution share alike
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.
Attribution: Paul Stansifer

See also edit

Same model but viewed from above the ecliptic plane looking down towards the Sun
Same model but with the "camera" just above the ecliptic plane and further left
Same model but with the "camera" just above the ecliptic plane and further left

File history

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Date/TimeThumbnailDimensionsUserComment
current21:45, 27 July 2009Thumbnail for version as of 21:45, 27 July 2009800 × 600 (58 KB)84user (talk | contribs){{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 90 degrees anticlockwise of the Vernal point. The Sun is in the centre; the

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