Unknown, Tom Stafford, E.C. Slipher, and Neil Armstrong Examine a Map of Mars, 1963-01-16
During the "Next Nine" astronauts’ January 1963 visit to Lowell Observatory, staff briefed them on the observatory’s efforts to map the Moon and Mars.…
Evening Star, "Blue Light Photos Reveal Changes on Planet Mars", 1939-07-23
"Blue Light Photos Reveal Changes on Planet Mars." Article in Evening Star, July 23, 1939
Associated Press, "Cameras Focus 'Lines' on Mars", 1935-12-22
"Cameras Focus 'Lines' on Mars." Article in Evening Star, December 22, 1935
The Cincinnati Enquirer, "Canals on Mars found to Confirm Lowell Data, Arizona Observer Says", 1941-12-31
"Canals on Mars found to Confirm Lowell Data, Arizona Observer Says." Article in The Cincinnati Enquirer, December 31, 1941
Schindler, Kevin, "E.C. Slipher's Mars Expeditions to South Africa", 2007
"E.C. Slipher's Mars Expeditions to South Africa." Article by Kevin Schindler in The Monthly Notes of the Astronomical Society of Southern Africa,…
Evening Star, "Get Acquainted with Venus", 1940-05-12
"Get Acquainted with Venus." Article in Evening Star, May 12, 1940
The Key West Citizen, "Jupiter - Eleven-moon Planet", 1938-12-22
"Jupiter - Eleven-moon Planet." Article in the Key West Citizen, December 22, 1938
The Indianapolis Times, "Long Study of Mars Discounts Theory of Life", 1926-02-17
"Long Study of Mars Discounts Theory of Life." Article in the Indianapolis Times, February 17, 1926
The Iowa County Democrat, "Mars Alive, Expert Asserts", 1922-09-14
"Mars Alive, Expert Asserts." Article in the Iowa County Democrat, September 14, 1922
Evening Star, "Mars Canals Real, Astronomers Find", 1925-09-27
"Mars canals real, astronomers find." Article in Evening Star, September 27, 1925
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