Located in Flagstaff, Arizona, Lowell Observatory is known for being the location where Pluto was first discovered in 1930. It is also one of the oldest observatories in the United States having been active since 1890.
This observatory has seen a lot of important events in its existence. In 1930, Clyde Tombaugh discovered Pluto with the use of an 1896 telescope. Part of the moon mapping project was completed at the Lowell Observatory in the 1960s during the Apollo Program.
Today the observatory still serves as a gateway to space science. The nearby dark sky preserve allows visitors to experience the starry sky. Also, at the Lowell Observatory is a museum and exhibits on the history of the area.
The Lowell Observatory is located at 1400 W Mars Hill Road in Flagstaff, Arizona.
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