Today I Found Out on MSN
Why astronaut jet packs were retired after three missions
In 1984, astronaut Bruce McCandless II became the first person to fly freely and untethered in space using NASA’s Manned Maneuvering Unit. The nitrogen-powered backpack allowed astronauts to move ...
CAPE CANAVERAL, Fla. — Even in space, a little duct tape may work wonders. Astronaut Piers Sellers suggested using some multipurpose sticky material to fix a safety-jet backpack used during spacewalks ...
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