Photo reblogged from As Above, So Below with 168 notes
At about 100 meters from the cargo bay of the space shuttle Challenger, Bruce McCandless II was farther out than anyone had ever been before. Guided by a Manned Maneuvering Unit (MMU), astronaut McCandless, pictured above, was floating free in space. McCandless and fellow NASA astronaut Robert Stewart were the first to experience such an “untethered space walk” during Space Shuttle mission 41-B in 1984.
Source: apod.nasa.gov
At about 100 meters from the cargo bay...space shuttle Challenger, Bruce McCandless II was...