Comment by kulahan
It all falls back down eventually. Anything too small will stay up for some time, but even the half-billion copper needles put in space by the US have almost all come down. Wikipedia says there are <50 clumps of needles left.
It all falls back down eventually. Anything too small will stay up for some time, but even the half-billion copper needles put in space by the US have almost all come down. Wikipedia says there are <50 clumps of needles left.