Flight Engineer Sergey Prokopyev is pictured inside Europe’s Columbus lab module

iss057e074494 (Nov. 7, 2018) --- Russian cosmonaut and Expedition 57 Flight Engineer Sergey Prokopyev is pictured inside Europe's Columbus lab module conducting research for the Plasma Krystall-4 experiment that researches how microgravity, electric fields and the Sun impact complex plasmas which are low temperature gaseous mixtures composed of ionized gas, neutral gas, and micron-sized particles..