time reversal

the stories of four physicists separated by the whims of fate

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More sun dogs

January 3rd, 2009 No Comments

Today I saw the most amazing sun dogs I’ve seen since being here. There was a primary ring, a secondary ring, a false sunrise, two side lobes, a white ring all the way around the sky, and a backwards-curving rainbow ring. One of the ice cube guys came by the telescope for a tour today […]


Sun Dogs and snowballs

December 22nd, 2008 No Comments

The sun here is very very bright, and it never goes down in the summer. It gets overcast here, but it never really precipitates. Sometimes, the sky fills with tiny ice crystals that burn to breathe in. Luckily, these ice crystals have a good side–they create a phenomena called “Sun Dogs.” Basically, the ice crystals […]

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