Pluto’s atmosphere backlit by the Sun, photographed by New Horizons as it departed the Pluto system. Credit: NASA/JHU-APL/SwRI

Three years after the New Horizons spacecraft’s historic flyby, Pluto’s atmosphere appears to be starting to condense and refreeze, according to scientists who observed the dwarf planet occult or pass in front of a star …

more: spaceflightinsider.com/missions/solar-system/plutos-atmosphere-may-be-starting-to-condense/