[meteorite-list] Cosmic dust reveals Earth's ancient atmosphere

[Paul]

Cosmic dust reveals Earth's ancient atmosphere
Monash University, May 11, 2016
http://www.smh.com.au/technology/sci-tech/cosmic-dust-reveals-earths-ancient-atmosphere-20160510-goryca.html
https://www.sciencedaily.com/releases/2016/05/160511154214.htm
http://www.livescience.com/54716-space-dust-reveals-clues-ancient-earth-atmosphere.html

“Using the oldest fossil micrometeorites -- space dust –
ever found, new research has made a surprising
discovery about the chemistry of Earth's atmosphere
2.7 billion years ago.”

The paper is:

Tomkins, A. G., L. Bowlt, M. Genge, S. A. Wilson, H. E. A.
Brand, and J. L. Wykes, 2016, Ancient micrometeorites
suggestive of an oxygen-rich Archaean upper atmosphere.
Nature, 2016; 533 (7602): 235 DOI: 10.1038/nature17678
http://www.nature.com/nature/journal/v533/n7602/full/nature17678.html

Off-topic, but  a break from the daily gloom and doom.

World's Oldest Cat Anointed by Guinness
Discovery News, May 11, 2016
http://news.discovery.com/animals/pets/worlds-oldest-cat-anointed-by-guinness-160511.htm

Cat World Records
https://youtu.be/25oPIJlOliA

Yours,

Paul H.