Saturn Just Birthed a Baby Moon. How Does that Happen? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email The planet Saturn is seen backlit by the sun, sent Cassini spacecraft July 19, 2013 in space. NASA unveiled the image, that spans 404,880 miles across. November 12, 2013 ( NASA/JPL-Caltech/SSI / Getty ) Produced by Seth Maxon Produced by PRI and WNYC