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TinDrumonMastodon1d ago
'Wing and his colleagues measured a 10-fold concentration of lithium atoms in the upper atmosphere around 20 hours after the uncontrolled re-entry of the Falcon 9 rocket. Increasing amounts of metal, such as lithium...are beginning to alter the chemical composition of Earth’s atmosphere'
#musk #bezos #nasa #space #rockets #climateChange
https://gizmodo.com/study-confirms-reentering-spacex-rockets-are-peppering-the-upper-atmosphere-with-metal-pollution-2000723932
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Analysis Summary
Scientists directly detected a 10-fold spike in lithium atoms in the upper atmosphere 20 hours after a SpaceX Falcon 9 uncontrolled reentry over Germany in February 2025, using lidar measurements. The metals vaporized during atmospheric reentry now exceed natural cosmic dust influx, but researchers emphasize that the actual impact on Earth's climate or life remains unclear and requires more study. The study, published in Nature, marks the first direct detection of upper-atmospheric pollution from space debris — a gap in knowledge that becomes more urgent as SpaceX and Blue Origin scale up launch cadences.
Claims Analysis (2)
“Wing and his colleagues measured a 10-fold concentration of lithium atoms in the upper atmosphere around 20 hours after the uncontrolled re-entry of the Falcon 9 rocket”
Direct quote from peer-reviewed Nature study reported by Gizmodo. Measurement confirmed by Leibniz Institute researchers using lidar.
“Increasing amounts of metal, such as lithium...are beginning to alter the chemical composition of Earth's atmosphere”
Study confirms metals from reentry exceed cosmic dust influx, but article emphasizes uncertainty: 'It's not clear yet how exactly this change would affect life on Earth.'
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