Browse Items (24 total)

  • Collection: A Few of Our Favorite Things

Letter from V.M. Slipher to Albert Einstein, January 14, 1931

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A letter from V.M. Slipher to Albert Einstein, inviting Einstein to visit Lowell Observatory and northern Arizona.

Letter from Albert Einstein to V.M. Slipher, January 25, 1931

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A letter from Albert Einstein to V.M. Slipher. Einstein expresses regrets that he cannot visit Lowell Observatory due to limits on his time and strength.

Letter from Albert Einstein to Lowell Observatory, April 30, 1947

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A letter from Albert Einstein to Lowell Observatory asking for support in educating the public about atomic energy and its implications.

Mars Map, 1896-1897

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Percival Lowell's hand-drawn map of Mars, 1896-1897

Drawing of Mars with canals, 1901

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Percival Lowell's black and white drawing of Mars with canals

Color drawing of Mars, 1905

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Percival Lowell's color drawing of Mars, 1905

Mars Map, 1905

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Percival Lowell's hand-drawn map of Mars, 1905

Identification, Optimization, and Protection of Optical Telescope Sites, Part 1

Audio recording of a conference on the Identification, Optimization, and Protection of Optical Telescope Sites, Flagstaff, AZ, May 22-23, 1986

Identification, Optimization, and Protection of Optical Telescope Sites, Part 2

Audio recording of a conference on the Identification, Optimization, and Protection of Optical Telescope Sites, Flagstaff, AZ, May 22-23, 1986

Identification, Optimization, and Protection of Optical Telescope Sites, Part 3

Audio recording of a conference on the Identification, Optimization, and Protection of Optical Telescope Sites, Flagstaff, AZ, May 22-23, 1986