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Cosmonaut Anna Kikina plays with a sphere of water flying in microgravity that has been dyed with green food coloring.
iss068e051617 (Feb. 12, 2023) — Roscosmos cosmonaut and Expedition 68 Flight Engineer Anna Kikina plays with a sphere of water flying in microgravity that has been dyed with green food coloring and is bubbling due to an antacid that was placed inside.