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The James Webb Space Telescope — making 300 points of failure reliable

By Robert Barron posted Mon January 10, 2022 06:56 AM

  
The recently launched i James Webb Space Telescope (JWST) is the largest and most sensitive space telescope ever devised. It will replace the Hubble Space Telescope as the flagship space based observatory.

The full-scale model was assembled on the lawn at Goddard Space Flight Center in 2005. The team took a group photo with it. (NASA)


Between launch and deployment, the JWST must perform a bewildering array of tasks, many of them "single points of failure".

This is the first in a series of articles which will demonstrate why NASA engineers have the confidence that these tasks will all succeed.
There are a variety of ways in which engineers of all kinds, both space and DevOps/SRE, assure the success:

  • Success assured via reliability.
  • Success assured via redundancy.
  • Success assured via repairability.

If you're interested, the article may be found at : The James Webb Space Telescope — making 300 points of failure reliable

Robert


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