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Toxic blob

Screenshot: NASA TV
Screenshot: NASA TV

During a spacewalk on October 25, Russian cosmonauts Oleg Kononenko and Nikolai Chub were inspecting the source of a leak on the Nauka laboratory module’s backup radiator on the International Space Station (ISS) when coolant unexpectedly spewed out. Mission controllers promptly instructed the cosmonauts to evacuate the area for safety reasons. Although the coolant didn’t contaminate their suits, the duo carefully wiped down their equipment before reentering the ISS.