Pluto’s Planetary Status Remains a Debate Among Astronomers
Twenty years after the International Astronomical Union reclassified Pluto as a dwarf planet on August 24, 2006, the debate over planetary definitions endures.
Clyde Tombaugh
Twenty years after the International Astronomical Union reclassified Pluto as a dwarf planet on August 24, 2006, the debate over planetary definitions endures.