Daniel Zeller, 2006, ink on paper.

The basis of Daniel Zeller’s drawing is the intricate surface of Saturn’s moon Titan, as recorded by the Cassini spacecraft. Cassini arrived at Saturn in July 2004 after a seven-year voyage, beginning a four-year mission.

This work is on display at the National Air and Space Museum's Mall building from May 28 to Oct. 9, 2011, as part of the NASA | Art: 50 Years of Exploration exhibition.