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pratyushc
on Dec 22, 2020
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The universe is expanding faster than expected
> protect from cosmic radiation
That raises another issue of the planet having a magnetic core...
azernik
on Dec 22, 2020
[–]
You can also get shielding with a thick enough atmosphere, or being under a solid ice/rock crust. But both of those
also
make it much harder to reach space.
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That raises another issue of the planet having a magnetic core...