Robuta

https://science.nasa.gov/photojournal/pj-hephaestus-fossae-2-9/ Hephaestus Fossae - NASA Science Oct 22, 2019 - This image from NASA's Mars Odyssey shows the southeastern portion of Hephaestus Fossae. Hephaestus Fossae is a complex channel system in Utopia Planitia near... hephaestus fossaenasa science