Pluto’s Discovery and Astronomical Features

As early as 1905, Percival Lowell thought there was a planet (mysterious planet x’) beyond the orbit of Neptune and he continued to search for it up until his death in 1916. Pluto was eventually discovered on February 18, 1930, at 4 pm. It occurred in the Lowell Observatory, in Flagstaff, Arizona, by laboratory assistant Claude Tombaugh, … Read morePluto’s Discovery and Astronomical Features