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Comment Re:Isn't there a shit ton of micrometeorites (Score 1) 77

A conservative estimate of the amount of extraterrestrial aluminum being deposited in the atmosphere is about 50 tons per year by meteoroids, micrometeorites, and cosmic dust. The high estimate is ~5,100 tons of aluminum entering Earth's atmosphere yearly. The large disparity in estimates stems from size distribution complexity, detection limitations, geographic coverage gaps, and natural variability.

I am not a climate change denier. Humans certainly need to stop pumping various green house gasses into the atmosphere. But I would prefer additional scientific research into understanding the scope of the natural phenomena regarding natural extraterrestrial aluminum sources before saying there is a definitive environmental risk.

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