Mission Press ReleasesThe shape-shifting southern vortex of Venus ESA Venus Express Mission - Friday, April 8, 2011 Posted on: 4/8/2011 7:39:57 PM PDT | Mission Status ReleasesUnited Nations Register of Objects Launched into Outer Space 31 Dec 2002 United Nations Office for Outer Space Affairs - December 31, 2002 Posted on: 1/2/2003 1:09:32 PM PDT |