jsc2023e038732 (6/9/2023) --- The MaRVIn system is shown as it will be housed in the Microgravity Glovebox (MSG) facility aboard the International Space Station for the Microgravity Research for Versatile Investigations-Thermophoretic And Brownian Optical Observation System (MaRVIn-TABOOS) investigation. MaRVIn-TABOOS measures the movement of particles from a hot to a cold region of a fluid, a process known as thermophoresis. Image courtesy of Tec-Masters, Inc.