Carolyn Porco
From Wikipedia: " Carolyn C. Porco is an American planetary scientist known for her work in the exploration of the outer solar system, beginning with her imaging work on the Voyager missions to Jupiter, Saturn, Uranus and Neptune in the 1980s. She leads the imaging science team on the Cassini mission currently in orbit around Saturn. She is also an imaging scientist on the New Horizons mission launched to Pluto on January 19, 2006. She is an expert on planetary rings and the Saturnian moon, Enceladus. "