Former NASA shuttle astronaut Winston Scott gestures ...
Former NASA shuttle astronaut Winston Scott gestures towards a mannequin of astronaut John Glenn and a model of his Mercury spacecraft Friendship 7 at the January 28, 2011, opening of ``Splashdown Grand Turk,'' a new educational exhibit at the Grand Turk Cruise Terminal in Grand Turk, Turks & Caicos Islands.
A NASA astronaut sent the first Twitter message from space yesterday.