饰：Self - Narrator

饰：Self - Propulsion Engineer, NASA

饰：Self - Principal Scientist, Saturn Ring Expert and Casini Deputy Project Scientist, Nasa Jet Propulsion Laboratory

饰：Self - Planetary Scientist; Principal Scientist and Cassini

饰：Self - Planetary Climatologist; Earle C Anthony Professor of Planetary Science, Division of Geological and Planetary Sciences, California Institute of Technology