Tag Archives: Viking

Vikings 1 and 2 and the Failure to Detect Life on Mars


The first truly successful landings on Mars took place in 1976 when the Viking mission used two identical spacecraft, each consisting of a lander and an orbiter. Launched on August 20, 1975, from the Kennedy Space Center in Florida, Viking … Continue reading

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Announcement of Public Lecture: 40th Anniversary of Viking Landings on Mars


Join us for a series of presentations at 7:30 p.m. Tuesday, July 19, Virginia Air & Space Center, Hampton, Virginia, to commemorate the 40th anniversary of the Viking landings on Mars. Open to the public Admission is free. In this special Sigma Series … Continue reading

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A Balance Sheet on All of the Landings on Mars


Since the beginning of the space age there have been 17 landings on the surface of Mars, some of which were not successful. Initially the Soviet Union carried out two attempted landings in 1971, Mars 2 and 3, but the … Continue reading

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Chronology of Key Space Anniversaries for 2015


1945—70 Years Ago 4 July—The NACA’s Pilotless Aircraft Research Division (PARD) launched from Wallops Island, Maryland, its first test vehicle, a small two-stage, solid-fuel rocket to check out the installation’s instrumentation. The group soon began serious work to learn about … Continue reading

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Wednesday’s Book Review: “The Beginning of Infinity”


The Beginning of Infinity: Explanations that Transform the World. By David Deutsch. New York: Viking, 2011. 496 pages. Acknowledgments, illustrations, bibliography, index. ISBN: 978-0670022755. $14.50 USD paperback. What explains the workings of the physical world? For millennia humankind has tried to … Continue reading

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