Cosmonaut Sergey Prokopyev changes gases for a space physics study

iss068e0420749 (Jan. 25, 2023) — Roscosmos cosmonaut and Expedition 68 Commander Sergey Prokopyev connects valves and manipulates hoses to change gases from neon to argon for the Plasma Crystal experiment. The space physics study takes place inside the International Space Station’s Columbus laboratory module and explores how clouds of highly charged particles, or plasma crystals, behave in microgravity.