JWST deployment
NASA said it would take a one-day break after extending booms for JWST’s sunshield before beginning the tensioning of that sunshield, a process expected to take at least two days to complete. Credit: NASA

Updated Jan. 2 with additional delay.

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Jeff Foust writes about space policy, commercial space, and related topics for SpaceNews. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science...