Meeting of the royal astronomical society: Friday 2007 May 11th at 16h 00m in the Geological Society Lecture Theatre, Burlington House by Rowan-Robinson, M, Lintott, C, Fletcher, L, Smith, G, Trotta, R, Barber, G, Hood, A, Stanley, G, Diego, F, Weiss, N, Kollerstrom, N, Murdin, P