Ta for the tip!
"in around six billion years time"
I'll set me alarm. I'd hate to miss the show.
We all know the Sun's eventually going to expand and envelop the Earth, but for smaller objects further away our star will still be deadly, as its light will cause asteroids to literally spin themselves to death. Eggheads at the University of Warwick, in England, believe that, in around six billion years time, as the Sun burns …
If human descendents make it as far as colonising space, those asteroids are going to be space mined for constructing space stations / space mirrors / a halo or dyson sphere or just ballast for enlarging and terraforming Mars (to hold a dense atmosphere). I doubt they'll still be there in 6 billion years.
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