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, 17 Dec 2014 13:30:00 MST Possible Opaline Silica in the Central Uplift of Elorza Craterhttp://uahirise.org/ESP_033722_1710The distinguishing feature of this central uplift is the various types of bedrock that are observable at the surface.Eroding Terrain in Arabia Terrahttp://uahirise.org/ESP_039113_1915At one time this was a flat smooth terrain, but over time it has been eroded, most likely by the wind.Frosty Slopes in Late Springhttp://uahirise.org/ESP_039114_1115At this time of year only south-facing slopes retain the frost, while the north-facing slopes have melted. Polar Layered Deposit Slopeshttp://uahirise.org/ESP_039122_1080These deposits are quite extensive and partially surround the South polar residual cap. Voice of Mars, Russia: Jimmy Kremnev http://www.uahirise.org/epo/beautiful-mars/russian/kremnev/ Voice-over volunteer and newly minded Ph.D. Jimmy Kremnev tells why he volunteers for The BeautifulMars Project. The 4 Q&A: Matt Chojnacki Leis http://www.uahirise.org/epo/4qa/leis This week's 4 Q&A features planetary geologist and U.S. Olympic Ski Team champion Matt Chojnacki. The BeautifulMars eBook Series http://www.uahirise.org/epo/ebooks Our first book Exploring Mojave Crater, is also available in PDF format. HiRISE on iTunes https://itunes.apple.com/us/podcast/hirise-beautifulmars-podcast/id928543600?mt=2 Get your Mars fix with our video and audio podcasts.