Proteus

Filed under pretty pictures, global views, amateur image processing, Neptune's moons, Voyager 1 and 2

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Proteus is Neptune's second largest moon, 416 kilometers in diameter. It is very dark and was not discovered until Voyager 2's approach to the system in 1989.

NASA / JPL / color composite by Ted Stryk

Copyright holder: Ted Stryk

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Contact us to request publication permission from the copyright holder. Original image data dated on or about August 25, 1989