Press Briefing: New Horizons - Peering into Pluto’s Past

Jim Green (NASA Headquarters), Introduction, NASA perspective on New Horizons Cathy Olkin (Southwest Research Institute), Longest-distance 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), Age-dating Pluto’s satellite system