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The Bruce Murray Space Image Library



NASA / JPL / color composite by Ted Stryk

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.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Ted Stryk

Original image data dated on or about August 25, 1989

Explore related images: pretty pictures, amateur image processing, Voyager 1 and 2, Neptune's moons, global views

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