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The Key To Astronomy Has Often Been Serendipity

Ars Technica has a great look at just how often serendipity plays a part in major astronomy advances. From Galileo to the accidental discovery of cosmic microwaves, it seems that it is still better to be lucky than good. "But what's stunning is a catalog of just how common this sort of event has been. Herschell was looking for faint stars when he happened across the planet Uranus, while Piazi was simply creating a star catalog when he observed the object that turned out to be the first asteroid to ever be described, Ceres I."

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  1. Liquid metallic hydrogen by Anonymous Coward · · Score: -1, Offtopic

    Well, I read about this stuff in an astronomy magazine recently. Had never heard of it. I couldn't get google to feed me the answer to the question the magazine left me with, though. How much of the universe's hydrogen is liquid metallic? Does it occur in stars? If so, which types? Or is it just in gas giants?