New Horizons Spots Second Mountain Range on Pluto

NASA’s New Horizons spacecraft has discovered a new mountain range in a heart-shaped region named Tombaugh Regio. These frozen peaks are estimated to be 2,600 to 5,200 feet (1-1.5 km) high, about the same height as the Appalachian Mountains. They lie near the southwestern margin of Tombaugh Regio, situated between bright, icy plains and dark [...] —> Read More