Category Archives: Astronomy

Um…What comes after Mercury?

The IAU has settled on a definition of the word “planet.” They have rejected the sensible proposal offered last week by the committee and have accepted an incoherent mess. A “planet” is a celestial body that (a) is in orbit … Continue reading

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No word yet on planet Claire.

Here are some additional observations on the new definition of planet. (1) For years many astronomers have been saying that Pluto is not really a planet, but other astronomers and the general public have been insisting that it is. Now … Continue reading

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Interplanet Janet is going to be busy.

There is a huge amount of buzz on the Internet today surrounding the IAU’s proposed definition of a “planet.” The definition they chose is exactly what I have for years been expecting them to select once all the dust settles. … Continue reading

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