I'm pretty pleased with this year's Halloween costume. Simple, comfortable and conceptually interesting. I give you: Tycho Brahe. (He wore a metal nose after losing most of his in a duel, see.)

Thanks for the picture, Gabe.

Thanks for the picture, Gabe.
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Just don't imitate his death.
(And OMG, you look... well, completely like a grad student. Which shouldn't be a surprise, but... *blink*)
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And I've also read that it was just the bridge of his nose, not the whole thing.
Man, I can't believe I'm that pedantic! And I haven't even gotten to the "partially ptolemaic" issue.
Great costume concept. I must steal it next time I teach on Halloween.
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Tycho took on his program of observations because Ptolemy's Almagest was giving bad predictions, so he knew there was something wrong with Ptolemy.
Like Ptolemy, Tycho believed the sun revolved around the earth, but unlike Ptolemy, he had Mercury, Venus, Mars, Jupiter, and Saturn revolving around the sun, which was certainly not Ptolemaic.
Tycho wanted to be the big hero who overthrew Ptolemy, but he didn't have the math-fu to do it. What he had were sharp eyes and observational competence. Sharp eyes that were a fraction of an inch from getting sliced open by the sword that hacked off the bridge of his nose in a duel in his younger days.
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And it balances some of the negative stuff I've posted lately.
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I love Halloween.
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