The Pluto Dome at the Lowell Observatory where Clyde Tombaugh discovered Pluto.

---

The Pluto Dome at the Lowell Observatory in Flagstaff Arizona which is one of the oldest and best known observatories in the US and is the place where Clyde Tombaugh discovered Pluto The Observatory is a National Historic Landmark

---

Size: 5010px × 3440px
Location: Flagstaff, Arizona, USA
Photo credit: © Don Smetzer / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arizona, astronomy, attraction, az, clyde, dome, exploration, flagstaff, historic, landmark, lowell, national, observatory, pluto, telescope, tombaugh, tourist