travel: our quest to visit all 50 states: arizona: The Lawrence Lowell Telescope, which was used to discover the planet Pluto at the Lowell Observatory

The Lawrence Lowell Telescope, which was used to discover the planet Pluto at the Lowell Observatory in Flagstaff, Arizona
The Lawrence Lowell Telescope, which was used to discover the planet Pluto at the Lowell Observatory

The Lawrence Lowell Telescope, which was used to discover the planet Pluto at the Lowell Observatory in Flagstaff, Arizona