Enlarge / NASA astronaut Frank Rubio observes the behavior of a free-flying water bubble inside the International Space Station's Kibo laboratory module. (credit: NASA)
Eleven days before Christmas last year, a micrometeoroid struck a Soyuz spacecraft docked to the International Space Station. This ruptured the vehicle's cooling system, creating a dramatic spray of coolant for hours into space before there was none left.
Prior to this accidental strike, NASA astronaut Frank Rubio had been planning to come home by around spring break of 2023 to see his wife, Deborah, and four children. For his debut spaceflight, six months in space was enough for the former helicopter pilot and flight surgeon.
But eventually Russian and US engineers determined that the Soyuz spacecraft that he and two Russian crewmates—cosmonauts Sergey Prokopyev and Dmitri Petelin—had flown to the space station may not be safe for the return journey home. The crew compartment was likely to overheat. So that damaged vehicle was flown home without anyone on board, and a replacement Soyuz flew autonomously to the station.
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