Jul 19, 2013 08:43 AM EDT
NASA Encourages Earthlings to Wave at Saturn as NASA’s Cassini Prepares to Photograph the Earth
NASA is encouraging Earthlings to participate in the cosmic fun by looking and waving in the direction of Saturn on Friday, as two NASA spacecrafts, one studying the Saturn system and the other observing Mercury, are scheduled to take photos of Earth as they move into place on July 19 and 20.