‘Dark’ lunar eclipse points to medieval volcanic eruptions

On 5 May 1110 C.E., the night of a lunar eclipse, the Moon did not take on its normal reddish hue. Despite otherwise clear skies, it “was so completely extinguished withal, that neither light, nor orb, nor anything at all of it was seen.” So reported a version of the Anglo-Saxon Chronicle, a series of medieval […]

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