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myflippinggoodness t1_jaey5bz wrote

Reply to comment by theexile14 in We need more rules for space junk and moon bases, NASA and US officials say by DevilsRefugee

Ok, mby you're someone to ask about this: what if they put up like a big, heavy metal shield just to float around, let small shit smash into it, just so the small shit loses velocity and falls into LOW LEO so that it falls in like a couple years instead of a couple centuries?

Hopes like I'm 5 👌

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theexile14 t1_jaf082x wrote

There are ideas about doing that with some gel type substance to capture junk. Unfortunately, a large metal object doesn't work as the collisions may occur at relative speeds of hundreds or thousands of km/hr. At that speed you mostly just smash things into pieces and send the careering all over. Unfortunately that hurts more than helps.

Also, that mass would be huge and cost a ton to put into orbit.

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