. iss070e003191 (Oct. 12, 2023) --- Expedition 70 Flight Engineers (from left) Jasmin Moghbeli and Loral O'Hara, both from NASA, pose for a portrait in front of the International Space Station's Cold Atom Lab. The physics research device observes the quantum behavior of atoms chilled to about one ten billionth of a degree above absolute zero -- much colder than the average temperature of deep space.

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