Students and staffers gather outside the Science Center of Iowa in Des Moines. They smile and wave in anticipation of their deep-space portrait session with NASA's Cassini spacecraft during the July 19, 2013, "Wave at Saturn" event.

July 19, 2013

Students and staffers gather outside the Science Center of Iowa in Des Moines. They smile and wave in anticipation of their deep-space portrait session with NASA's Cassini spacecraft during the July 19, 2013, "Wave at Saturn" event.

Credit: SCI

ENLARGE