NASA’s New Horizons spacecraft has sent back new, better images of Pluto’s largest moon, Charon, and the dwarf planet’s smaller satellites Nix and Hydra. This image of Charon, taken by New Horizons ten hours before its closest approach to Pluto on July 14, 2015 from a distance of 290,000 miles (470,000 km), is a recently downlinked, much higher quality version of a Charon image released on July 15. The smallest visible features are 2.9 miles...
