RT @SpaceflightNow: LightSail has checked in after going quiet a second time; solar sail deploy as soon as Sunday. spaceflightnow.com/2015/06/06/gro… http://t.co/gkRosvBmcK
RT @SpaceflightNow: LightSail has checked in after going quiet a second time; solar sail deploy as soon as Sunday. spaceflightnow.com/2015/06/06/gro… http://t.co/gkRosvBmcK