Why our solar-storm sats corrode – and probably not what you expected
in a statement discovering water was the culprit for why sun-facing satellites corroded"was sort of a one-two punch".
"And the number two punch is saying once you create a theoretical model that takes everything into account, then the numbers line up quantitatively with what we see in the satellites. Putting everything together, I'm convinced Water is responsible for the filter degradation." They discovered water was causing the issue by exposing filter samples to UV light by using NIST's Synchrotron Ultraviolet Radiation Facility. The radiation created by the synchrotron particle accelerator simulates solar activity and space weather.
Oxidation requires oxygen and water, the researchers said."It had to be something that can emit water for five years continuously at reasonably constant rates," Tarrio said. They pinpointed the source of moisture as thermal blankets inside the satellite.
France Dernières Nouvelles, France Actualités
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