RT @Alex_Parker: Teeny moon of Pluto is teeny! First resolved picture of Styx shows it’s about 7×5 km across. nasa.gov/nh/new-horizon… http://t.co/1Y7TyWZEy0
RT @Alex_Parker: Teeny moon of Pluto is teeny! First resolved picture of Styx shows it’s about 7×5 km across. nasa.gov/nh/new-horizon… http://t.co/1Y7TyWZEy0