Pluto and Lowell Observatory: A History of Discovery at Flagstaff collection_Books now on display at the

now on display at the University of Arizona

national parks where the public still has a chance to see a natural nocturnal landscape that includes an unobstructed view of the Universe beyond our own atmosphere

Width: 18"

Double the rainbows

In the Southern Hemisphere

Pluto and Lowell Observatory: A History of Discovery at Flagstaff collection_Books now on display at thePluto looms large in Flagstaff, where residents and businesses alike take pride in their community's most enduring claim to fame: Clyde Tombaugh's 1930 discovery of Pluto at Lowell Observatory. Percival Lowell began searching for his theoretical "Planet X" in 1905, and Tombaugh's "eureka!" experience brought worldwide attention to the city and observatory. Ever since, area scientists have played leading roles in virtually every major Pluto related