Dwarf Planet Gains Fifth Moon…
Not that it didn’t already have five moons. At least. ANYhoo… As I was saying this time last year, when Hubble spotted a fourth moon orbiting Pluto. The Hubble Space Telescope has been looking at the twin dwarf planet system of Pluto and Charon ahead of Nasa’s New Horizons mission expected arrival in the neighbourhood in 2015. [Image credit: NASA, ESA, and M. Showalter (SETI Institute)] They’ve already mapped the surface of Pluto, to an extent, and now they’ve spotted a …