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Dead satellites' metallic ash could threaten Earth's magnetic field - Interesting Engineering

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Life on Earth flourishes because of its magnetic field. But what happens when the growing number of satellite launches compromises this protective planetary shield?

A recent study suggests the growing number of defunct satellites re-entering our atmosphere could impact Earth's magnetic field.

Sierra Solter-Hunt, a plasma physicist, conducted this study, which was posted to the pre-print portal but has yet to be peer-reviewed. 

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