Sputnik Planum

A vast, icy plain on Pluto's surface, informally named after Earth's first artificial satellite, Sputnik. Characterized by its smooth, craterless terrain, it is believed to be composed primarily of nitrogen ice and exhibits signs of recent geological activity.

Source: nasa.gov

APODs including "Sputnik Planum"

A Plutonian Landscape

15/05/2025

A Plutonian Landscape

15/01/2021

Pluto's Sputnik Planum

22/11/2016

Sputnik Planum vs. Krun Macula

18/06/2016

Pluto at Night

09/06/2016