Hummocky Terrain NAC image M115475912R shows hummocky terrain north of the central peak of Tsiolkovskiy, still within the crater rim but outside the region flooded by mare basalt. The hummocks formed as the crater rebounded after the shock of impact dissipated. Image is 940 m wide, with an incidence angle of 75° [NASA/GSFC/Arizona State University]. Browse the full NAC image!!Related posts: Central Peak/Mare BoundaryFractures in the mare of Tsiolkovskiy CraterHummocks and blocks and craters Uplift, Boulders of Tsiolkovskiy Floor of Tsiolkovskiy - Constellation Region of Interest Posted by Sarah Braden on August 26, 2010 09:00 UTC. Back to Images