Using data from Ralph, a visible and infrared imager/spectrometer aboard NASA’s New Horizons spacecraft, scientists have detected frozen methane on the surface of the dwarf planet Pluto. An artist’s concept of Pluto. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute. “We already knew there was methane on Pluto, but these are our first detections. Soon we will know if there are differences...
