Tongue-shaped flow features in Protonilus Mensae

Tongue-shaped flow features in Protonilus Mensae
Tongue-shaped flow features in Protonilus Mensae The 3D view make these features “come alive” as viscous flows, long suspected to contain ice (now confirmed by the Shallow Radar on the Mars Reconnaissance Orbiter). HiWish user: James Secosky. Original HiRISE anaglyph NASA / JPL-Caltech / University of Arizona