Where does the rainbow end? Pluto isn’t really a psychedelic riot of colors—this translated color image was created by New Horizons scientists to highlight the many subtle color differences between the planet’s distinct regions. Pluto has a complex, varied surface with jumbled mountains reminiscent of Europa, networks of carved-out valleys, old, heavily cratered terrain sitting right next to new, smooth icy plains, and even what might be wind-blown dunes. New Horizons launched on January 19, 2006 and conducted a six-month-long flyby study of Pluto and its moons in summer 2015. The spacecraft continues to explore the distant solar system, heading farther into the Kuiper Belt. Alt text: Pluto is shown in a rainbow of colors that distinguish the different regions on the planet. The left side of the planet is mostly blue-green with purple swirls, while the right side ranges from a vibrant yellow-green at the top to a reddish orange toward the bottom. Credit: NASA/JHUAPL/SwRI #NASA #P...