This image is from Materials International Space Station Experiment (MISSE) 2, part of STS-105 mission in 2001. Full report is at https://ntrs.nasa.gov/api/citations/20070002707/downloads/20070002707.pdf
This image is from Materials International Space Station Experiment (MISSE) 2, part of STS-105 mission in 2001. Full report is at https://ntrs.nasa.gov/api/citations/20070002707/downloads/20070002707.pdf
It would’ve been great if metallic samples were included. It is common to coat with gold but gold gets very hot. I pushed for some time with my local engineers to use aluminum instead for space hardware but there isn’t much specific data on aluminum exposure in space.