I think the article's claim about the reason for Pluto's disqualification is wrong. I think what the IAU is trying to get at is that the existence of many comparable plutinos and other Kuiper Belt objects disqualifies Pluto (but then, as I said, you'd also have to make sure the definition doesn't disqualify any giant planet with Trojan asteroids).
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Date: 2006-08-24 03:54 pm (UTC)