How Neil and Buzz Almost Were Stranded on the Moon in 1969
(World News Science)

Even after half a century, people still don’t know much about the little broken switch that nearly stranded Neil Armstrong and Buzz Aldrin on the lunar surface in July of 1969. No one will ever be certain how the switch broke, but Aldrin is pretty sure it happened after he and Armstrong reentered the lunar module following their two-and-a-half hour moonwalk. The flight plan called for them to seal the hatch, repressurize the cabin, disconnect their backpacks and connect their suit hoses to the spacecraft’s life support systems. Then they would vent the cabin once more, open up the hatch and chuck the backpacks and other unneeded equipment onto the moon’s surface, reducing...