Image: Pluto's majestic mountains, frozen plains and foggy hazes
Friday, September 18, 2015 - 05:00
in Astronomy & Space
Just 15 minutes after its closest approach to Pluto on July 14, 2015, NASA's New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto's horizon.