Exactly 84 years ago today, Pluto, long believed to be the 9th planet in our solar system, was discovered at the Lowell Observatory in Flagstaff, AZ, by astronomer Clyde W. Tombaugh —although the concept of an unknown 9th planet had been first noted and searched for by Percival Lowell a decade earlier. Then-new photographic techniques…
Stripped of its Title: Pluto Was Discovered 84 Years Ago Today; A Look at Astronomy and Time via the SIHH 2014 Exhibit: Horology, a Child of Astronomy
