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Re:Pink Floyd inspired research into medieval monks and volc... by SideburnsOfDoom on Thursday April 06, 2023 @06:12AM (#35466410)
It does somewhat bury the lede:

> The darkest lunar eclipses all occurred within a year or so of major volcanic eruptions.

Which if correct, has predictive power about future eruptions, since future lunar eclipses can be accurately predicted.

Re:Pink Floyd inspired research into medieval monks and volc... by gattilorenz on Thursday April 06, 2023 @07:22AM (#35466875)
It’s the other way around. The eclipse is darker than usual because of volcanic ashes in the atmosphere.

You can certainly predict a darker-than-usual lunar eclipse (if a volcano recently erupted), if that’s your thing.

Re:Pink Floyd inspired research into medieval monks and volc... by SideburnsOfDoom on Thursday April 06, 2023 @07:35AM (#35466986)
I see! thanks for explaining the mechanism.

So the "darker than usual" aspect won't be from astronomical calculations, but also from the historical records?