Monday, September 16, 2019

This sulfur-spewing Russian volcano is turning sunsets purple | Science | AAAS

This sulfur-spewing Russian volcano is turning sunsets purple | Science | AAAS
"Sunrise and sunset chasers discovered something odd this summer: In rural Colorado and the rest of the Northern Hemisphere, Earth’s daily light shows were turning purple. 
Now, weather balloons probing the stratosphere have traced the mysterious purple light to a volcanic eruption in Russia.
On 22 June, Russia’s Raikoke volcano blasted ash and sulfuric gas 17 kilometers into the stratosphere..."
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