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this post was submitted on 14 Nov 2023
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True, but to hit things within the atmosphere it needs high mass and low drag. The ISS re-entering would have high mass but high drag, and most of it would fall apart when entering and be slowed down by drag so the energy gets spread through a long streak on the atmosphere instead of on the target
i'm not sure that drag even matters that hard, you need big sectoral density and a way to prevent tumbling
https://en.wikipedia.org/wiki/Impact_depth
talking about tungsten we're looking at minimum 50cm long darts, however this ignores atmospheric erosion
If it was going fast enough wouldn't it just blow through that before it had a chance to fall apart too much?
It depends on the angle really. I would expect it to be dropped from low earth orbit so, unless it's given some strong retrograde push (also removing most of its energy from orbital velocity), the angle it'd be coming in at would be pretty shallow, so it'd have to go through a lot of atmosphere, so drag is very important.