Mr Fingleton added: "Motorways wouldn't be very useful if we all drove at five miles (8km) an hour, but that's sort of what we're doing in nuclear safety."
The revised Artemis III mission will also give astronauts a chance to test out new spacesuits that future moonwalkers will use.
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But Reddit's Wong feels people are visiting Reddit because of the "authenticity, the content, and because they're discussing things that you really can't get elsewhere".
Racist language has been removed from the Baftas ceremony and leadership of the awards, as well as from the BBC which aired it, have apologised for the racist language.
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