国際宇宙ステーションのインスタグラム(iss) - 10月4日 06時43分

Astronaut Joe Acaba calculates his mass inside the Columbus laboratory module using the Space Linear Acceleration Mass Measurement Device (SLAMMD). The device generates a known force against a crew member mounted on an extension arm with the resulting acceleration used to calculate the subject's mass.

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• iss_casis
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