A color-enhanced photo of Pluto, taken by NASA’s New Horizons spacecraft (© NASA/JHUAPL/SwRI)

【February 18 2016】Famed astronomer Percival Lowell began searching for “Planet X” in 1906, but died 10 years later, not realizing he’d actually spotted Pluto. In 1929, a 23-year-old astronomer named Clyde Tombaugh came to work at Lowell Observatory in Flagstaff, Arizona, and was assigned the task of picking up where Lowell left off. And on this day in 1930, Tombaugh confirmed that beyond Neptune there was a ninth planet, soon to be named Pluto. (In 2006, Pluto’s status was demoted to “dwarf planet.”)Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..