It's a major milestone in the James Webb Space Telescope's initial activation.
with great fanfare atop a European Space Agency-provided Ariane 5 rocket on Christmas Day, bound for an orbit around the sun a million miles from Earth.
"That's a lot of what we've been doing over the last week, as well as still making excellent progress on the commissioning timeline." He was referring to the number of non-redundant devices and mechanisms required for Webb's myriad deployments that have no backups if something goes wrong. All of them simply have to work.NASA
That final tensioning was held up over the weekend to give engineers time off after a busy first week of deployment activity and then to assess the performance of Webb's five-panel solar array and its battery system.
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