The Madrid Deep Space Communications Complex Visitor Center hosted SOS from December 2015 to July 2016.
Madrid Deep Space Communications Complex (MDSCC) Visitor Center hosted The Science on a Sphere (SOS) from December 2015-July 2016.
Developed by the National Oceanic and Atmospheric Administration (NOAA), SOS is a spherical display that utilizes computers and video projectors to show planetary processes that are otherwise difficult to imagine on flat surfaces.