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What space dust could tell us about Earth’s past

Determining the composition of Earth's current atmosphere is relatively straightforward, using direct measurements, remote sensing via satellites, and sampling by aircraft. It is far more complicated to determine the composition of Earth's past atmosphere, going as far back as 4.6 billion years ago. Bubbles in... click to read more

Rebecca Payne | PhD student at Penn State University

early Earth

climate

atmospheric chemistry

micrometeorites

Archean

Reading time 3 min

published on Jan 5, 2021

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