Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21423701t&link_type=abstract
American Astronomical Society, AAS Meeting #214, #237.01; Bulletin of the American Astronomical Society, Vol. 41, p.739
Astronomy and Astrophysics
Astronomy
Scientific paper
Jewitt and Lu's (1993) discovery of the Kuiper belt of icy bodies orbiting beyond Neptune forced many to reconsider Pluto's time-honored classification as a bona fide planet. The American Museum of Natural History in New York brought this shifting paradigm to the public in 2000 with a suite of new exhibits that explicitly grouped Pluto with this growing number of newly discovered Kuiper belt objects. And in 2006, the IAU voted on a definition for the word Planet that formally excludes Pluto, invoking the modified term Dwarf Planet to describe it. Here we make the case that the word Planet is, today, only marginally useful, and that the contents of the solar system is in bad need of a lexicon that reflects the extraordinary base of scientific knowledge gleaned about them over the past forty years.
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