Pluto System Illustration (IMAGE) University of Maryland Caption This illustration depicts Pluto and its five moons from a perspective looking away from the sun. It is adapted from a classic Voyager I montage of Jupiter’s Galilean moons, and is intended to highlight similarities between the Pluto and Jupiter systems when adjusted for size. Approaching the system, the outermost moon is Hydra, seen in the bottom left corner. The other moons are roughly scaled to the sizes they would appear from this perspective, although they are all enlarged relative to the planet. Credit NASA/JPL/M. Showalter, SETI Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.