Sources

4 Total Sources

Mike Brown Defends Pluto's 2006 Demotion as Orbital-Clearing Rule Still Excludes It

Scientific American80d ago

Mike Brown Reaffirms Pluto's Demotion Due to Orbital Clearing Criterion

Space.com80d ago

Pluto's Dwarf Planet Status: 20 Years On, Debate Continues Over IAU Reclassification

Instagram80d ago

PLUTO WAS DEMOTED 20 YEARS AGO TODAY 🪐 On August 24, 2006, the International Astronomical Union officially reclassified Pluto as a dwarf planet after adopting a new definition of what counts as

Facebook80d ago

20 years ago today, Pluto was officially reclassified as a dwarf planet! # planet #planets