MARS RECONNAISSANCE ORBITER HIRISE IMAGES February 11, 2015
o Gullies and Bedrock in Nirgal Vallis http://hirise.lpl.arizona.edu/ESP_020087_1515 The gullies in this image are within the valley wall of an ancient channel, a testament to flowing water in Mars' ancient past. o A Large, Longitudinal Dune http://hirise.lpl.arizona.edu/ESP_039568_1120 Longitudinal dunes form when the wind switches between two common directions. o Boulders in Gully Alcoves http://hirise.lpl.arizona.edu/ESP_039747_1090 In the spring, when the ice warms up and transitions to gas, dislodging material on the slope and forming a gully. o Fan-Shaped Deposits in Bigbee Crater http://hirise.lpl.arizona.edu/ESP_039893_1550 The rim of Bigbee has been heavily modified from its original form, presumably by water and wind. All of the HiRISE images are archived here: http://hirise.lpl.arizona.edu/ Information about the Mars Reconnaissance Orbiter is online at http://www.nasa.gov/mro. The mission is managed by NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, for the NASA Science Mission Directorate, Washington, D.C. Lockheed Martin Space Systems, of Denver, is the prime contractor and built the spacecraft. HiRISE is operated by the University of Arizona. Ball Aerospace and Technologies Corp., of Boulder, Colo., built the HiRISE instrument. ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com https://pairlist3.pair.net/mailman/listinfo/meteorite-list
