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HiRISE: High Resolution Imaging Science Experiment http://uahirise.org Image updates from the HiRISE Camera onboard the Mars Reconnaissance Orbiter en-us webmaster@pirl.lpl.arizona.edu (The Folks at HiRISE) Tue, 20 Dec 2011 13:30:00 MST Faults in Ius Chasmahttp://uahirise.org/ESP_025020_1720Ius Chasma is one of many steep-sided interconnected depressions that comprise Valles Marines, the largest canyon system in the Solar System. Spring Fans Bursting from Cracks in Icehttp://uahirise.org/ESP_024428_2605In the springtime the ice on the dunes in the North polar region cracks, often in polygonal patterns.Layering in Central Candor Chasmahttp://uahirise.org/ESP_019732_1750This area also has a high abundance of hematite, a mineral that can precipitate out of water.Fresh Crater North of Tharsis Regionhttp://uahirise.org/ESP_019641_2310The ejecta blanket--remnants of the material from the original impact--is still visible indicating that the crater may be very fresh. HiRISE-PT: Vale na região de Ismenius Lacus http://www.uahirise.org/pt/PSP_010656_2170 O terreno que circunda o vale tem crateras de várias idades, julgando pelos diferentes estados de degradação. (com audio)