Despite an "investigative" process (apparently designed to '''prevent''' discovery of the cause), physicist [[Richard Feynmann]] eventually learned that O-rings which provided crucial seals failed in the unusually cold weather of the launch. It was freezing cold that day (29 degrees F), whereas it had been at least 53 degrees on all previous launches.
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O-rings which provided crucial seals failed in the unusually cold weather of the launch. It was freezing cold that day (29 degrees F), whereas it had been at least 53 degrees on all previous launches.