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View Diary: BREAKING: Meteor airburst over Chelyabinsk (318 comments)

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  •  And it's always some specific (1+ / 0-)
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    theory arising from some specific evidence that "all of a sudden" turns the scientific world upside down. At least, that's how it seems to the public, which isn't usually in on the divergent sub-theories and accumulating evidence over time - sometimes decades or even centuries - so that it only takes that one last tidbit to flip a whole way of understanding the world/universe.

    I seem to recall that for plate tectonics it was confirmation that ancient bedrock formations on the Atlantic edge of northern Brazil and western edge of Gabon, Africa had originally been part of the same formation. Something like that, anyway. For Big Bang it was quantification of the CMB [Cosmic Background Radiation] in 1964.

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