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) Thu, 23 Feb 2017 11:00:00 MST Colorful Bedrock Layershttp://uahirise.org/ESP_049009_1520Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but elsewhere, such as in this scene, that bedrock is well exposed.