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Pluto’s 75 year mystery fuels planet status debate
The 1930 discovery by Clyde Tombaugh near Lowell Observatory sparked a long debate about Pluto’s planet status. Scientists like Neil deGrasse Tyson and Hal Weaver weigh Pluto’s ties to the Kuiper Belt, its small size, and orbital quirks amid calls to redefine what qualifies as a planet.
MENTIONED IN THIS ARTICLE
Flagstaff
Ariz
Pluto
Clyde Tombaugh
Lowell Observatory
Neil deGrasse Tyson
New York
Hayden Planetarium
American Museum of Natural History
Tyson
Tombaugh
Arizona
International Astronomical Union
Neptune
Charon
Bob Millis
Earth
Hal Weaver
New Horizons
Weaver
Johns Hopkins University
Applied Physics Laboratory
Matt York
AP Phat
Pluto Discovery
Pluto Dome