It’s almost impossible unless they can find a material that can go from 5 kelvin to 5000 kelvin to 280 kelvin over a few minutes with no structural stress
Unobtanium? If layered correctly, those tolerances are achievable.
It’s almost impossible
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The goal is to find a way not to replace any heat tiles after re-entry. A work in progress; they obviously would not be doing that, if they though like you, it was impossible - sort of like landing a monster booster and catching it for reuse.