Sublimating Nitrogen Responsible for Pluto’s Icy Polygons

EVSN: Escape Velocity Space News - A podcast by Dr. Pamela Gay, Erik Madaus, Ally Pelphrey - Thursdays

New models of sublimating nitrogen show that the process creates enough heat to drive the formation and texture of the polygons in Sputnik Planitia. Plus, black holes, star formation, and an interview with Dr. Jonathan McDowell, orbital police.