The James Webb Space Telescope, the largest, most powerful instrument of its type ever built, launched successfully to herald a new era of space discovery
A weekly look at our most colorful, thought-provoking and original feature stories on the business of life.Within 24 hours of its launch, Webb will deploy a communication antenna and solar array, so that it can start making electricity and stop draining its battery, then orient itself in space. Then mission scientists will command Webb to course-correct using on-board rockets so that it heads toward a point four times as distant as the moon called the second Lagrange point.
Webb has 344 “single-point failure” items. A single-point failure is a piece of equipment or part of the system that, should it fail, could scuttle the entire mission. But if a malfunction were to occur, that doesn’t necessarily mean Webb would become a $10 billion piece of space junk. The Ariane 5 rocket with the James Webb Space Telescope on board, in Kourou, French Guiana, on Thursday.It will take Webb 29 days to reach the second Lagrange point. There it will orbit the sun, 1 million miles from Earth, until at least 2026.
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