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Get a daily digest of the latest news in tech, science, and technology, delivered right to your mailbox. Subscribe now.In recent years, a growing number of nations and private enterprises have been launching satellites and spacecraft into Earth's orbit.“We are finding this human-made material in what we consider a pristine area of the atmosphere.
Additionally, they made corresponding measurements using instruments mounted on the nose cone of an ER-2 aircraft over the United States. The two aircraft were part of NASA's Airborne Science Program. As per the study, the amounts of lithium, aluminum, copper, and lead from spacecraft reentry significantly exceeded the levels of these metals found in naturally occurring cosmic dust.
“But what this research shows us is that the impact of human occupation and human spaceflight on the planet may be significant — perhaps more significant than we have yet imagined. Understanding our planet is one of the most urgent research priorities there is,” mentioned Cziczo.
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