HiRISE: High Resolution Imaging Science Experiment http://uahirise.org Image updates from the HiRISE Camera onboard the Mars Reconnaissance Orbiter en-us editor@uahirise.org (Ari) Wed, 25 Mar 2015 17:00:00 MST Pitted Landforms in Southern Hellas Planitiahttp://uahirise.org/ESP_038821_1235These mantles are composed of ice-rich sediments that degrade as the ice sublimates away.At the Head of a Kasei Valles Cataracthttp://uahirise.org/ESP_039274_2055This observation samples the bedrock lithologies and gives us a measure of post-flood erosion.The Lowest Point of Osuga Valleshttp://uahirise.org/ESP_039326_1650This is an outflow area, probably the result of ancient and catastrophic flooding.Possible Fluvial Features in Golden Craterhttp://uahirise.org/ESP_039405_1575High resolution can help study the layers, with an enhanced-color image showing us any variations in composition. BeautifulMars Podcast: 25 March 2015 http://uahirise.org/epo/podcasts Watch or listen to our captioned images for this week on our podcast page, or subscribe via iTunes.