Every crew brings its own small, tethered “g meter,” a toy or figurine we hang in front of us so we know when we are weightless. Ours was Klyopa, a small knitted doll based on a character in a Russian children’s television program, courtesy of Anastasia, Roman’s 9-year-old daughter. When the string that was holding her suddenly slackened and she began to drift upward, I had a feeling I’d never felt before in space: I’d come home.
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