Press Briefing: New Horizons Peering into Plutos Past

Jim Green (NASA Headquarters), Introduction, NASA perspective on New Horizons Cathy Olkin (Southwest Research Institute), Longestdistance planetary radar experiment Rick Binzel (Massachusetts Institute of Technology), Pluto s climate zones Alan Stern (Southwest Research Institute) Evidence for a thicker atmosphere on Pluto Orkan Umurhan (NASA Ames), Evidence for extensive glacial activity on Pluto Kelsi Singer (Southwest Research Institute), Agedating Pluto s satellite system