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Lowell Observatory: Where Discoveries Light Up the Night

Explore the cosmos at Lowell Observatory in Flagstaff, where Pluto was discovered and astronomical history is made daily.

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Founded in 1894 by Percival Lowell, Lowell Observatory in Flagstaff, Arizona, is a world-renowned astronomical observatory. It's famed as the site where Pluto was discovered in 1930 by Clyde Tombaugh and for its contributions to lunar mapping for the Apollo missions. Today, visitors can explore exhibits, tour historic telescopes, and gaze at the cosmos.

A brief summary to Lowell Observatory

Local tips

  • Check the weather forecast before your visit, especially if you plan to stargaze. Clear skies are essential for optimal viewing.
  • Arrive early to allow ample time to explore the exhibits, take a tour, and participate in science talks.
  • Dress in layers, as the temperature can drop significantly, especially in the evening.
  • Take it easy and stay hydrated, as the observatory is located at an elevation of 7,250 feet.
  • Consider visiting during one of Lowell Observatory's special events, such as meteor shower viewings or lunar eclipse parties.
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Getting There

  • Driving

    From downtown Flagstaff, head west on Santa Fe Avenue, which turns into West Mars Hill Road. Continue up the hill for approximately 0.6 miles to Lowell Observatory. Parking is available on the left upon arrival. Parking is free.

  • Public Transport

    Several bus lines stop near Lowell Observatory. From the Flagstaff Amtrak station, catch bus line 2, 3, 5, 66, or 7. Get off at the Santa Fe/Park WB stop, which is an 8-minute walk to the observatory. Bus tickets cost approximately $2-$35.

  • Taxi/Ride-share

    Taxis and ride-sharing services are readily available in Flagstaff. A taxi from Flagstaff Pulliam Airport to Lowell Observatory costs approximately $15-$19 and takes about 12 minutes. From downtown Flagstaff, a taxi or ride-share will be less expensive.

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Discover more about Lowell Observatory

Perched atop Mars Hill overlooking historic downtown Flagstaff, Lowell Observatory has been illuminating the wonders of the universe for over 125 years. Founded in 1894 by Percival Lowell, the observatory was initially established to study Mars, but it soon became a hub for groundbreaking astronomical discoveries. Lowell's legacy includes Clyde Tombaugh's discovery of Pluto in 1930, solidifying the observatory's place in history. The iconic 24-inch Clark Refractor, assembled in Boston and shipped to Flagstaff, played a crucial role in mapping the moon for the Apollo program. Multiple astronauts even trained at the observatory in 1963 while the moon was being mapped. Today, Lowell Observatory offers a variety of experiences for visitors of all ages. Explore the exhibits at the Putnam Collection Center, take a tour of the historic telescopes, and attend science talks to learn about the latest discoveries. The newly opened Marley Foundation Astronomy Discovery Center features interactive exhibits, a planetarium, and state-of-the-art telescopes. Whether you're gazing through a telescope, learning about the history of astronomy, or simply enjoying the dark skies of Flagstaff, Lowell Observatory offers an unforgettable journey through the cosmos.

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