New Horizons captures two of Pluto’s smaller moons

Pluto’s moon Nix, imaged by the New Horizons Ralph instrument, has a reddish spot that has attracted the interest of mission scientists. Pluto’s small, irregularly shaped moon Hydra is revealed in another image. Features as small as 0.7 miles (1.2 kilometers) are visible on Hydra, which measures 34 miles (55 kilometers) in length. —> Read More