Falling metallic space debris alters Earth’s upper atmosphere in ways we don’t fully understand

An example is a satellite burning up during re-entry into Earth’s upper atmosphere. (Image credit: PaulFleet via Getty Images)

Metal pollution in the sky Space junk They burn up when they re-enter the atmosphere, a new study reveals. Researchers warn that these unexpected levels of pollution, which will rise sharply in the coming decades, could change our planet’s atmosphere in ways we don’t yet fully understand.

The paper was published in the journal on October 16 PNASIt is part of the National Oceanic and Atmospheric Administration’s (NOAA) Stratospheric Aerosol Processes, Budget, and Radiative Effects (SABRE) mission, which monitors the amount of aerosols—small particles suspended in the air—into the atmosphere.

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