NASA, ESA (European Space Agency), and Arianespace confirmed a targeted launch date of Saturday, Dec. 25, for the James Webb Space Telescope. A 32-minute launch window opens at 7:20 a.m. EST in Kourou, French Guiana
推迟一天到圣诞节早晨7点20的发射窗口
https://blogs.nasa.gov/webb/2021/12/22/nasa-partners-confirm-webb-launch-on-dec-25/
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