Evidence on the Origin of Phobos’ Parallel Grooves from HRSC Mars Express

EXPRESS John B.Murray (j.b.murray@open.ac.uk), Jonathan C.Iliffe, Jan-Peter A.L.Muller, Gerhard Neukum, Stephanie Werner, Matt Balme & the HRSC Co-Investigator Team. Dept of Earth Sciences, The Open University, Milton Keynes MK7 6AA, UK, Dept. of Geomatic Engineering, University College London, London, Gower St., London WC1E 6BT. Geosciences Institute, Freie Universität Berlin, Malteserstr. 74-100, Building D, 12249 Berlin, Germany.