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Thursday, August 24, 2006

Pluto Demoted

The IAU has made up its mind. Instead of adding planets to the solar system (see earlier post) it will subtract one. Pluto, ruled out of planetary status by its overlapping orbit with Neptune, will join a class called "dwarf planets."

COMMENT: Alas, nine-planet system, we knew you well. Think of the textbook corrections alone that need to be done. Still, it was long past time that someone had officially defined what a planet is.

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