HiRISE: High Resolution Imaging Science Experiment http://uahirise.org Image updates from the HiRISE camera onboard the Mars Reconnaissance Orbiter (MRO/NASA) en-us editor@uahirise.org (Ari) Wed, 20 Apr 2016 10:00:00 MST Gullies with Dramatic Lightinghttp://uahirise.org/ESP_044514_1315This image was acquired to look for frost on these generally equator-facing slopes.Many Fantastic Colorshttp://uahirise.org/ESP_044662_2010This region is ancient and has had a complicated geologic history, leading to interesting structures as well as compositions.Flood Lavas and Mass Extinctionshttp://uahirise.org/ESP_044671_2050This entire landscape is covered by lava flows. Almost all of vast Amazonis Planitia is covered by lava flows, an area comparable to that of the entire continental United States. Cratered Cones in Acidalia Planitiahttp://uahirise.org/ESP_044745_2210This image shows part of a broad plain covered with cratered cones and domes in the Northern lowlands of Mars. HiClips: 20 April 2016 http://www.uahirise.org/media/ Narrated videos for our captioned image release.