Satellites are burning up in the upper atmosphere
Guwahati, Feb. 24 -- Fionagh Thomson, Durham University
Elon Musk's SpaceX has announced it will dispose of 100 Starlink satellites over the next six months, after it discovered a design flaw that may cause them to fail. Rather than risk posing a threat to other spacecraft, SpaceX will "de-orbit" these satellites to burn up in the atmosphere.
But atmospheric scientists are increasingly concerned that this sort of apparent fly-tipping by the space sector will cause further climate change down on Earth. One team recently, and unexpectedly, found potential ozone-depleting metals from spacecraft in the stratosphere, the atmospheric layer where the ozone layer is formed.
The relative "low earth orbit" where satellites monitoring Earth's eco...
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