1. Carolina Martinez, “Titan Flyby Reveals Complex Features,” JPL Universe 34(22) (5 Nov. 2004), NASA NHRC 18337, Cassini 2002-.
2. Trina Ray interview by author, 22 October 2008, JPL.
3. Ira Flatow, “Analysis: Landing of the Huygens Probe on the Surface of Titan, Saturn’s largest Moon,” From NPR Talk of the Nation Science Friday (14 Jan. 2005).
4. Paul R. Mahaffy, “Intensive Titan Exploration Begins,” Science 308 (13 May 2005): 969 – 970.
5. Kevin Baines, VIMS scientist, interview by author, London, 24 June 2009.