Arizona City Dedicates Entire Year To Dwarf Planet Pluto

April 7, 2015 5:23 PM

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In 1930, astronomer Clyde Tombaugh discovered Pluto from an observatory in Flagstaff, Arizona. Though demoted to a dwarf planet in 2006, Pluto is now the star of a year-long celebration.(Photo : NASA/JHU APL/SwRI/Steve Gribben)

In 1930, astronomer Clyde Tombaugh discovered Pluto from an observatory in Flagstaff, Arizona. Though demoted to a dwarf planet in 2006, Pluto is now the star of a year-long celebration.

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