 Nova ScienceNow (2011) (TV Series)-Self - Astrophysicist, Carnegie Institute of Washington (1 episode, 2011) Self - Astrophysicist, Carnegie Institute of Washington (1 episode, 2011) See fewerWhere Did We Come From? (Feb 16, 2011) Season 5, Episode 5-Self - Astrophysicist, Carnegie Institute of Washington Self - Astrophysicist, Carnegie Institute of Washington See fewer |
 Alien Earths (2009) (TV Movie)-Self Self See fewer |
 The Universe (2007) (TV Series)-Self - Astrophysicist, Carnegie Institution (1 episode, 2007) Self - Astrophysicist, Carnegie Institution (1 episode, 2007) See fewerAlien Planets (Nov 27, 2007) Season 2, Episode 1-Self - Astrophysicist, Carnegie Institution Self - Astrophysicist, Carnegie Institution See fewer |