
An R2-D2 model in front of the Science on a Sphere exhibit at the Visitor Center at NASA's Goddard Space Flight Center in Greenbelt, Md. Star Wars cosplayers attended a "Yuri's Night" celebration at the visitor center to commemorate the first flight of cosmonaut Yuri Gagarin (April 12, 1961) and the first orbital flight of a space shuttle (April 12, 1981).

The Delta rocket on display at the Visitor Center at NASA's Goddard Space Flight Center in Greenbelt, Md. The rocket is illuminated as part of a "Yuri's Night" celebration to commemorate the first flight of cosmonaut Yuri Gagarin (April 12, 1961) and the first orbital flight of a space shuttle (April 12, 1981).

A person cosplays a storm trooper at the Visitor Center at NASA's Goddard Space Flight Center in Greenbelt, Md. Members of the 501st Legion Star Wars cosplaying group attended a "Yuri's Night" celebration to commemorate the first flight of cosmonaut Yuri Gagarin (April 12, 1961) and the first orbital flight of a space shuttle (April 12, 1981).

2010 Yuri's Night celebration held at the NASA Ames Research Center, Moffett Field, Calif. as part of the world wide celebration of the first man in space and the Space Shuttle program that followed 20 years later. Lewis Braxton, III, Deputy Director of Ames Research Center, Deborah Feng, Director, Center Operations and Paul McKimm, Planners Collaborative.

2010 Yuri's Night celebration held at the NASA Ames Research Center, Moffett Field, Calif. as part of the world wide celebration of the first man in space and the Space Shuttle program that followed 20 years later. From left to Right, Wizard Lori Garver, Deputy Administrator of NASA, Jack Boyd, Senior Advisor to the Director, Lewis Braxton, III, Deputy Director of Ames Research Center, Klingon S. Pete Worden, Director, Ames Research Center, Karen Bradford, Chief of Staff, Deborah Feng, Director, Center Operations.