The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.
On today’s date 95 years ago, everyone’s favorite not-quite-a-planet, Pluto, was discovered by astronomer Clyde W. Tombaugh ...
Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.
Barnard from observations made with the 40-inch Yerkes lens, and also by Prof. Percival Lowell, director of the observatory at Flagstaff. In a letter to the writer, Prof. Barnard states that these ...
This observatory was founded in 1894 by the Harvard-graduated mathematician Percival Lowell. Throughout the years, the observatory has been credited with making a handful of important findings.