17:15 〜 18:30
*Ryan Park1 (1.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA、2.IMCCE, Observatoire de Paris, Paris, France、3.Massachusetts Institute of Technology, Cambridge, MA, USA、4.Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA、5.University of Toulouse, Toulouse, France、6.UCLA, Los Angeles, CA, USA.)