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Megaconstellations like Starlink will increase atmospheric aluminum oxide amounts to 646% over natural levels ( +360 metric tons / year ).

It will take up to 30 years for the aluminum oxides to drift down to stratospheric altitudes, where 90% of Earth's ozone is located.

Once there aluminum oxide will act as a catalyst with chlorine harming the ozone layer.

phys.org/news/2024-06-satellit

Phys.org · Satellite 'megaconstellations' may jeopardize recovery of ozone holeBy Science X
HistoPol (#HP) 🏴 🇺🇸 🏴

@nemeciii

s/: knows why setting on and beyond might be the only option for mankind:

Not only do his rockets contribute to and are the spaceship launches detrimental to the ozone layer.
No, as if this weren't enough, plethora of ** satellites will destroy a big part of what will be left of it, one they fall back onto Earth, 30y tops:

mastodon.social/@nemeciii/1126

*In case you missed it:
mastodon.social/@HistoPol/1114