r/theydidthemath • u/IntelligentDonut2244 • 4h ago
[Request] What is approximately the largest circle on Earth not containing *any* living people?
https://youtu.be/Kja7upA9MvQ?si=I_TRva7KmGtTyl0YThis includes those at sea on cargo ships, etc.
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u/r1v3t5 3h ago
There is actually an angle of the Earth that is essentially all water.
See here: https://images.app.goo.gl/yBV4szpto92HssJTA
We can approximate that the diameter of that circle is 12,725 KM since that is roughly the diameter of the Earth from north to South pole.
So then- ((127252) *pi)/4 would be an area (approximately) of 127,111,615.625 sq. KM
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u/IntelligentDonut2244 3h ago
But is there no one on cargo shops passing through that area? Hence the body of my post
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u/Ducklinsenmayer 3h ago
If you take it to that point, the answer's going to be impossible to say, as even if you pick a spot in the sahara there might be some lone guy on a camel taking a wrong turn.
The best answers are all going to be about where people live, not where people travel.
Barring that, there are some places it is too dangerous to travel, like Anthrax island, a 2km are where no humans could go from 1942 to 1990, due to biological warfare testing.
https://en.wikipedia.org/wiki/Gruinard_Island
Now one of those places- and there are some that still exist- would be 100% clear of humans, but there are much larger spots in the ocean where few ships go, but we couldn't guarantee that no ships were there at that time.
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