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2020-06-11 Science & Technology
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Already late as hell what's another year or more James Webb Space Telescope
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[SN] NASA confirms JWST will miss March 2021 launch date.
The head of NASA’s science directorate confirmed June 10 that the James Webb Space Telescope will miss its March 2021 launch date, a slip that was all but inevitable as the coronavirus pandemic slowed work on the spacecraft.
In a presentation to an online meeting of the Space Studies Board of the National Academies, Thomas Zurbuchen, NASA associate administrator for science, said that work on JWST had been going well in months before the pandemic but that the slowdown in work since March made it impossible to keep the mission on its previous schedule.
“We will not launch in March,” he said, which had been the target launch date for the mission. “That is not in the cards right now. It’s not because they did anything wrong.”
When NASA started closing its field centers in March because of the pandemic, personnel that had been overseeing integration and testing of the space telescope at a Northrop Grumman facility in Southern California returned home. Despite initial comments by NASA officials that work would be suspended entirely on the telescope, activities did continue there, including a test announced by NASA June 9 of its Deployable Tower Assembly that separates the mirror from the spacecraft bus.
That work, though, has been at a slower pace than before the pandemic. At a session of an American Astronomical Society meeting June 2, Jonathan Gardner, deputy senior project scientist for JWST at NASA’s Goddard Space Flight Center, said that Northrop at the time had five eight-hour shifts a week devoted to JWST work. Before the pandemic, the company had 12 shifts a week of 10 hours each.
Work had recently started to ramp back up on JWST, with some NASA personnel returning to the Northrop facility and the company preparing to resume a second daily shift. Nonetheless, Gardner said last week the project expected to miss that March 2021 launch date. “We’re expecting a delay,” he said.
NASA hasn’t set a new launch date yet for JWST. “What we need to do is learn the new efficiency” of working in current conditions, Zurbuchen said. “We need to calibrate that through a schedule review and go forward.” A schedule assessment, he said, was planned for July.
He remained hopeful that JWST will still launch some time in 2021 on an Ariane 5 from French Guiana. “I’m very optimistic of this thing getting off the launch pad in ’21.”
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Posted by 3dc 2020-06-11 00:00||
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File under: Tin Hat Dictators, Presidents for Life,
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Posted by charger 2020-06-11 00:31||
2020-06-11 00:31||
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Posted by M. Murcek 2020-06-11 08:44||
2020-06-11 08:44||
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Posted by SteveS 2020-06-11 12:14||
2020-06-11 12:14||
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