火星定居任務
參考來源

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↑  Zubrin, Robert. . Free Press. June 28, 2011: Preface XXV, see also 210, 213, 217, 221, 236. ISBN 978-1451608113. In contrast to the comparative desert of the Earth's moon, Mars possesses veritable oceans of water frozen into its soil as permafrost, as well as vast quantities of carbon, nitrogen, hydrogen, and oxygen, all in forms readily accessible to those inventive enough to use them. These four elements are not only the basis of food and water, but of plastics, wood, paper, clothing – and most importantly – rocket fuel. Additionally, Mars has experienced the same sorts of volcanic and hydrologic processes that produced a multitude of mineral ores on Earth. Virtually every element of significant interest is known to exist on the Red Planet.
↑  Zubrin, Robert. . Tarcher. August 7, 2000: 107, see also 81, 82, 101, 155. ISBN 1585420360. Mars has a tremendous advantage compared to the Moon and asteroids, because unlike these other destinations the Red Planet contains all the necessary elements to support both life and technological civilization, making self-sufficiency possible in food and all basic, bulk, and simple manufactured goods.
↑  Zubrin, Robert. . Free Press. June 28, 2011: 187. ISBN 978-1451608113. Mars is not just a destination for explorers or an object of scientific inquiry, it is a world compared to which all other known extraterrestrial bodies are utterly bleak poverty zones. On Mars the resources exist that could allow travelers to grow food, make plastics and metals, and generate large quantities of power. There is no element in large-scale use by human society today that cannot be found in adequate quantities on Mars, and its environmental conditions, in terms of radiation, sunlight availability, and day-night temperature swings, are all well within limits acceptable to different states of human settlement on its surface.
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↑  . Handelsregisteramt des Kantons Basel-Stadt.   [2019-02-10]. （原始内容存档于25 July 2019）. By decision of 15 January 2019, the Civil Court of the City of Basel declared the company bankrupt with effect from 15 January 2019, 3.37 p.m., thus dissolving it.
↑  . Engadget.   [2019-02-11]. （原始内容存档于2019-07-12） （英语）. Speaking to Engadget, Bas Lansdorp said that the Foundation is still operating, but won't be able to act without further investment. Lansdorp declined to give further comment beyond saying that he was working with other parties "to find a solution."
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