HERMES: The crew performed the periodic vacuum valve opening for HERMES. These operations maintain the desired vacuum levels for the granular/regolith experiments typically hosted by the HERMES facility. Hermes is a reconfigurable on-orbit facility capable of accommodating up to four user-configurable experiment volumes at a time. The facility provides long duration exposure to microgravity, vacuum …
Click here for original story, ISS Daily Summary Report – 1/20/2020
Source: ISS Report