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A Planet By Any Other Name…, Kimberly Kessler Ferzan

Michigan Law Review

In case you haven't heard, Pluto isn't a planet anymore (and maybe it never was). In grade school, we all memorized the planets, giving little thought to what made something a planet besides revolving around the Sun and being part of some familiar mnemonic. However, scientific discoveries about Pluto and other parts of space led scientists to question Pluto's planetary status and ultimately, to strip Pluto of its standing among the planets. This leads to the inevitable question-what is a planet?-which turns out to be a more difficult and fascinating question than one might think. The Pluto Files grapples with …