Astronaut Kjell Lindgren participates in a hearing study to help researchers understand the International Space Station’s sound environment.
iss067e183800 (July 8, 2022) — Expedition 67 Flight Engineer and NASA astronaut Kjell Lindgren participates in the Acoustic Diagnostics study. The investigation explores whether equipment noise levels and the microgravity environment may create possible adverse effects on astronaut hearing. The acoustic data will help researchers understand the International Space Station’s sound environment and may inform countermeasures to protect crew hearing.