Spectators watch the film "The Dream is Alive" in the Lockheed Martin IMAX Theater at the Smithsonian National Air and Space Museum, Wednesday, April 4, 2012, in Washington. Two IMAX cameras that flew in space aboard the space shuttle became a part of the museum's collection Wednesday. From 1984 to 1998 the two dimensional 70mm cameras accompanied astronauts on 17 space shuttle missions offering stunning views of Earth from space and offered an up-close look at what it is like to live and work in a weightless environment. Photo Credit: (NASA/Paul E. Alers)
