at the Space Science Institute in Boulder, Colorado, who in 2012 was named by Time magazine as one of the 25 most influential people in space. The New York City native and Caltech graduate joined the faculty of the Planetary Sciences Department at the University of Arizona in 1983; she worked as an imaging team member for the Voyager mission to Uranus (1986) and Neptune (1989). She is currently the imaging team leader for the Cassini–Huygens mission to Saturn (1990). Her numerous awards include the Isaac Asimov Science Award (2008) for leading a life that aspires to the greater good of humanity, and the Carl Sagan Medal (2009) for Excellence in the Communication of Science to the Public. Porco is also well known for founding ‘The Day The Earth Smiled’, in which people around the world celebrated humanity's place in the cosmos by smiling at the same moment the Cassini spacecraft snapped a picture of Earth on 19 July 2013. Asteroid 7231 has been named Porco in her honour.