Michael SummersMichael Summers is a planetary scientist and professor of physics and astronomy at George Mason University. Since 1989, he has served on the mission teams of several NASA space probes in the role of science planning and interpretation of spacecraft oservations. He is currently a coinvestigator on the NASA New Horizons mission to the Pluto-Charon double planet, where he serves as the deputy lead of the Atmospheres Theme Team. Read More Read Less