Weird Mountains on Pluto's Largest Moon Charon Reveals a Surprising Past

Pluto's moon Charon may have once spun once every 14 hours, and its ancient mountains still record how it…

For decades, Charon was often viewed as the quieter half of the Pluto system, a frozen world marked by craters, fractures and vast plains. Yet the surface photographed by NASA’s New Horizons spacecraft has continued to…