打字猴:1.700039758e+09
1700039758 [30] 如果空气中只有15%~20%的氧气,你几乎无法在350毫巴的气压下呼吸,就像在地球上一样,但是100%的氧气可以确保呼吸舒适。
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1700039760 [31] 这些缩略词太生动了。如果想到处走走的话,你愿意穿EMU还是SAS?SAS看起来真飒,EMU看起来像笨鸟。
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1700039762 [32] Robert W.Moses and Dennis M.Bushnell,“Frontier In-Situ Resource Utilization for Enabling Sustained Human Presence on Mars,” NASA/TM-2016-219182,April 2016,https://ntrs.nasa.gov/search.jsp?R=20160005963.
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1700039764 [33] 现在你可以明白了。那个众所周知的杯子既不是半空,也不是半满,而是全满,因为另一半是空气。
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1700039766 [34] Tobias Owen et al.,“The Composition of the Atmosphere at the Surface of Mars,” Journal of Geophysical Research 82(1977):4635-4639,doi:10.1029/JS082i028p04635.
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1700039768 [35] Christopher McKay,private communication,July 22-23,2018.
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1700039770 [36] Christopher McKay et al.,“Utilizing Martian Resources for Life Support,” in Resources of Near-Earth Space ,ed.John S.Lewis,Mildred Shapley Matthews,and Mary L.Guerrieri(Tucson:University of Arizona Press,1993),819-843.
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1700039772 [37] 1981年,克里斯托弗·麦凯与人合作组织了一场极具影响力的会议,会议名字叫“赶往火星”。1984年,会议记录以同样的名字出版,比罗伯特·祖布林出版同名著作《赶往火星》早12年。
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1700039774 [38] Alfonso F.Davila at al.,“Perchlorate on Mars:A Chemical Hazard and a Resource for Humans,” International Journal of Astrobiology 12(2013):321-325.
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1700039776 [39] Edward Guinan,private communication,231st Meeting of the American Astronomical Society,Washington,DC,January 8,2018.
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1700039778 [40] Christopher Wanjek,“Ground Control to‘The Martian’:Good Luck with Them Potatoes,” Live Science ,October 9,2015,https://www.livescience.com/52438-the-martian-potatoes-health-effects.html.
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1700039780 [41] Alexandra Witze,“There’s Water on Mars!Signs of Buried Lake Tantalize Scientists,” Nature 560(2018):13-14,doi:10.1038/d41586-018-05795-6.
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1700039782 [42] 对许多人来说,这是一个双重发现:存在液态水,以及存在意大利航天局。
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1700039784 [43] Robert Zubrin,The Case for Mars:The Plan to Settle the Red Planet and Why We Must (New York:Free Press,2011),187-232.
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1700039786 [44] Zubrin,Case for Mars ,246-247.
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1700039788 [45] Adam E.Jakus et al.,“Robust and Elastic Lunar and Martian Structures from 3D-Printed Regolith Inks,” Scientific Reports 7(2017),doi:10.1038/srep44931.
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1700039790 [46] 苏联的“火星3号”重1200千克,据说已经实现了软着陆,但探测器在14秒后出现了故障。
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1700039792 [47] William Harwood,“Curiosity Relies on Untried‘Sky Crane’for Descent to Mars,” CBS News ,July 30,2012,http://www.cbsnews.com/network/news/space/home/spacenews/files/msl_preview_landing.html.
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1700039794 [48] Kasandra Brabaw,“MIT Team Wins Mars City Design Contest for‘Redwood Forest’Idea,” Space ,November 25,2017,https://www.space.com/38881-mit-team-wins-mars-city-design-competition.html.
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1700039796 [49] William J.Rowe,“The Case for an All-Female Crew to Mars,” Journal of Men’s Health & Gender 1(2004):341-344,doi:10.1016/j.jmhg.2004.09.006.
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1700039798 [50] 对于计划在21世纪40年代完成的任务来说,大多数候选人在本书出版的时候可能还是孩子。
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1700039800 [51] Lauren Blackwell Landon at al.,“Selecting Astronauts for Long-Duration Exploration Missions:A Retrospective Review and Considerations for Team Performance and Functioning,” NASA TM-2016-219283,December 1,2016.
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1700039802 [52] Freeman Dyson,Disturbing the Universe (New York:Harper & Row,1979),118-126.
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1700039804 [53] 迈克尔·杨(Michael Young)由于“发现控制昼夜节律的分子机制”,同他人一起获得了2017年诺贝尔生理学或医学奖。在一次采访中他告诉我,每日相差41分钟实际上可能很难克服,累积起来游客一周与地球的不同步就会达到约5小时。我觉得这令人难以置信,但我还没得过诺贝尔奖。
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1700039806 [54] 分别为十分之一天、百分之一天、千分之一天、万分之一天、百万分之一天。——译注
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