Archean
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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
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Reading time 3 min
published on Jan 5, 2021
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