2012 Mar 18. Archaean Haze

posted Mar 28, 2012, 9:37 AM by Fiona Potter   [ updated Mar 28, 2012, 2:14 PM ]
| Nature Geoscience Press Release. An article relevant to GSS Life and Climate chapter 5. Excerpt: The Earth's atmosphere periodically transitioned between a hydrocarbon haze and haze-free conditions 2.65–2.5 billion years ago, reports a paper published online this week in Nature Geoscience. The haze permanently retreated following the oxygenation of the atmosphere approximately 100 million years later…. Read the full press release at: http://www.nature.com/ngeo/press_releases/ngeo0312.html.  See also: http://newswatch.nationalgeographic.com/2012/03/19/early-earth-turned-methane-haze-on-and-off/
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