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Defining "Planet"

Posted by michael on from the round-and-round dept.

beardoc writes "The Sydney Morning Herald is running a story today about a controversial proposal to define what size a planet might be - depending on what the final definition of how big a planet is, we could end up losing Pluto (at 2300 kilometres) to the status of "asteroid" or gaining three more planets - Quaoar, Varuna and Ceres."

1 of 441 comments (clear)

  1. More info by Mdog · · Score: 0, Flamebait

    There's a really interesting discussion about this question when it came up in the 40s over at The Universal Bureau and Guard for the International Realism Lecture-Circut.

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