After an overnight spacewalk to install a radiator, three cosmonauts rest today, while four Exp 69 astronauts focus on space biology and a study that could lead to more efficient carbon dioxide removal systems in space. https://go.nasa.gov/3Lfr1xs #ISS
Human research and fluid physics were the main science experiments taking place aboard the International Space Station on Wednesday for four Expedition 69 astronauts.
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