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posted by martyb on Saturday December 25 2021, @11:30AM   Printer-friendly
from the this-time-for-sure! dept.

James Webb Space Telescope reaches launch pad for Christmas liftoff

The James Webb Space Telescope is due to launch on Saturday (Dec. 25) during a 32-minute window that opens at 7:20 a.m. EST (1220 GMT). The massive observatory will blast off from Kourou, French Guiana, atop an Ariane 5 rocket operated by European launch provider Arianespace. You can watch launch coverage live at beginning at 6 a.m. EST (1100 GMT) courtesy of NASA or you can watch directly at the agency's website.

ESA launch kit (PDF).


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  • (Score: 1, Insightful) by Anonymous Coward on Saturday December 25 2021, @01:24AM (1 child)

    by Anonymous Coward on Saturday December 25 2021, @01:24AM (#1207718)

    It's 300 and something. Most of them are related to the deployment, but a few are part of the actual science stuff.

    It might work, but if they each have a 0.2% chance of failure, the overall system is still just a coin flip. To get actual good odds you need four or five nines on them all. Assuming the rocket doesn't blow up.

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  • (Score: 5, Informative) by takyon on Saturday December 25 2021, @07:41AM

    by takyon (881) <{takyon} {at} {}> on Saturday December 25 2021, @07:41AM (#1207746) Journal


    James Webb Has 344 Single-Point Failures. Here Are the 5 Most Critical Elements []

    If it does fail, space telescope development needs a reality check.

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