Rules for being a Planet

Found a really good article from a link on Slashdot. Read yourself and find out the nature of Planethood.

My favorite bit from the article, its very good.
Location Rules. “Let’s use an object’s location as the criterion to establish or reject it from planethood.”

If biologists adopted this kind of criterion for species classification, a cowboy would become a cow when he herds his cattle! Location is an important factor for realtors, but I don’t think it serves anybody satisfactorily for planet classification.