When astronaut Luca Parmitano’s helmet suddenly began filling with water as he floated outside the International Space Station, NASA officials said they’d never seen such a malfunction before. Now, NASA astronaut Chris Cassidy explains in a video what happened to make his Italian partner’s helmet leak.
Parmitano, a European Space Agency astronaut who had become Italy’s first spacewalker a week before, was roughly an hour into the July 16 exercise when he said his head felt "really wet." Even as the team called off the spacewalk, liquid bubbles filled his helmet, ears and nose, even blocking his ab...
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