Are we building our own barrier between Earth and space thanks to the garbage we’ve left behind? When members of the ISS crew have to take shelter from an object about as big as your hand, the possibility suddenly becomes a very real one.
Though some pieces are burned up in the atmosphere, others could whirl around the planet, traveling at over 17,000 miles an hour, in perpetuity. An odd thought for the astronaut who drops a spatula.
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