Flagstaff Arizona - September 11, 2021: Lowell Observatory on Mars Hill in Flagstaff Arizona.

---

Size: 4352px × 6360px
Location: Flagstaff, Arizona, USA
Photo credit: © Faina Gurevich / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: arizona, astronomers, astronomical, astronomy, blue, building, center, clark, dome, education, educational, flagstaff, flare, green, hill, historic, historical, history, landmark, lens, lowell, mars, national, observatory, pluto, science, scientific, sky, telescope, tourism, travel, trees, visitor