Moon Rings
October 16th, 2008
I’d heard about this effect before, but I hadn’t seen it for real. Well tonight we got a pretty good view of this halo effect around the moon. As the sunlight reflected from the moon passes through the clouds, hexagonal ice crystals refract it into a halo with a 22° radius and even a second one at 44°.
Here’s my attempt at a photograph of the effect. There are some prettier ones at http://www.lumis.com/pictures/Moon_Ring/.
Moon Rings over Horrabridge
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October 17th, 2008 at 3:20 pm
Wow – I’d never even heard of such things. The natural world never ceases to amaze…