Month: January 2018

Pluto discovered, 1930

In 1894 the American businessman Percival Lowell founded an observatory in Flagstaff, Arizona, where he dedicated himself to astronomical research. His theories about canals on Mars resulted in the scientific…

Pluto discovered, 1930

In 1894 the American businessman Percival Lowell founded an observatory in Flagstaff, Arizona, where he dedicated himself to astronomical research. His theories about canals on Mars resulted in the scientific…