A GIANT ATMOSPHERIC CHEMISTRY EXPERIMENT: Every 16 hours, a Starlink satellite falls out of the sky. It's part of the SpaceX business model: Old obsolete satellites re-enter to make way for newer models. This may sound like a good way to keep Earth orbit from becoming too cluttered, but it comes with a cost. Every Starlink that burns up dumps about 30 kg of aluminum oxide into the upper atmosphere.

That aluminum is not supposed to be there.


link 29/04/2026