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344 steps stood between the James Webb Space Telescope and total failure — any one could have ended it — and the telescope that survived them all now runs on less power than a household kettle, a mill
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344 steps stood between the James Webb Space Telescope and total failure — any one could have ended it — and the telescope that survived them all now runs on less power than a household kettle, a mill

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Webb launched with 344 single points of failure, most tied to a deployment that could not be repaired at L2. It cleared them all. Today it runs on about one kilowatt, less than many kettles, kept cold passively by its sunshield, a million miles from Earth.

When the James Webb Space Telescope launched on 25 December 2021, it carried a list of 344 single points of failure. Each one was a step or a part where a single fault would have crippled the mission, with no second chance and no way to send anyone t... [3975 chars]

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Source: Space Daily

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