Cosmic dust reveals Earth's ancient atmosphere

Cosmic dust reveals Earth's ancient atmosphere Melbourne, Australia (SPX) May 13, 2016 - Using the oldest fossil micrometeorites - space dust - ever found, Monash University-led research has made a surprising discovery about the chemistry of Earth's atmosphere 2.7 billion years ago. The findings of a new study published in the journal Nature - led by Dr Andrew Tomkins and a team from the School of Earth, Atmosphere and Environment at Monash, along with scientists from the Aust ... more

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