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Virtual Exhibits

Explore our history from wherever you are.

Observatory buildings and telescopes illuminated under a starry sky with moonlight.

Our legacy, at your fingertips.

Click through historical photographs and read in-depth descriptions of the people, places, and events that made Lowell what it is today.

Elizabeth Roemer: Comet Notes

Lowell Observatory gate under starry night sky with visible constellations.
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The Search for Sapphire Skies

Lowell Observatory gate under starry night sky with visible constellations.
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The Story of Pluto

Lowell Observatory gate under starry night sky with visible constellations.
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A Signal from Mars

Lowell Observatory gate under starry night sky with visible constellations.
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The Slipher Brothers

Lowell Observatory gate under starry night sky with visible constellations.
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Historic Buildings and Telescopes

Lowell Observatory gate under starry night sky with visible constellations.
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The Lampland Diaries

Lowell Observatory gate under starry night sky with visible constellations.
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Lunar Legacy

Lowell Observatory gate under starry night sky with visible constellations.
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Women in Astronomy

Lowell Observatory gate under starry night sky with visible constellations.
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1894 Lowell Expedition

Lowell Observatory gate under starry night sky with visible constellations.
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open today from 1 PM to 11 PM
Hours of Operation

1400 W Mars Hill Rd, Flagstaff AZ

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928.774.3358