English: Triton's south polar terrain photographed by the Voyager 2 spacecraft. About 50 dark plumes mark what may be ice volcanoes. This version has been rotated 90 degrees counterclockwise and artificially colorized based on another Voyager 2 image.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: colorized using the GIMP "sample colorize" tool. Modifications made by Ilmari Karonen.
Licensing
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This work is based on a work in the public domain. It has been digitally enhanced and/or modified. This derivative work has been (or is hereby) released into the public domain by its author, Ilmari Karonen. This applies worldwide.
In some countries this may not be legally possible; if so:
Ilmari Karonen grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
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