1700040800
1700040801
Lopez-Alegria,Michael,124
1700040802
1700040803
Low-Density Supersonic Decelerator(LDSD),274
1700040804
1700040805
low-earth orbit(LEO),127
1700040806
1700040807
LUCA(“loud,unfriendly counterarguments”),112,171,277,330
1700040808
1700040809
Lunar Hilton,186-187
1700040810
1700040811
lunar hopper,192
1700040812
1700040813
Lunar Legacy Project,190
1700040814
1700040815
lunar-Mars greenhouse. See bioregenerative life support system
1700040816
1700040817
Lunar Orbital Platform-Gateway(LOP-G),122-123
1700040818
1700040819
Lunar Palace 1,155,197
1700040820
1700040821
Lunar Reconnaissance Orbiter,185
1700040822
1700040823
Lunar Roving Vehicles,191
1700040824
1700040825
Luna spacecraft,151-152
1700040826
1700040827
Luxembourg,213-214
1700040828
1700040829
Maezawa,Yusaku,186
1700040830
1700040831
magnesium,163,165
1700040832
1700040833
magnetosphere,18,80,128
1700040834
1700040835
Malapert Mountain,180
1700040836
1700040837
Mare Tranquillitatis Hole,185,190
1700040838
1700040839
Mariner 9 spacecraft,250
1700040840
1700040841
Mars:asteroid use,203,209,211-212,215;atmosphere of,224,258,284,302;atmospheric pressure on,251,254-255,297-301;bodily changes on,293-296;comparison with Antarctica,224,285,289-290;comparison with Moon,173-175,224-225;crew selection for,275-278;distance from Earth,240,305-306;dust storms on,250,262;food security on,259-265;health risks on,234-239;homesteading on,291;human migration to,279-280;indoor air on,257-259;landing on,273-274;NASA plan for,220,247-249;possibility of life on,282-284;profitability,14,267-270;radiation danger on,84,238-239,250-251;shelter on,253-257,275;technology gaps and,271-273;temperature on,249;terraforming on,296-303;timekeeping on,285-287;tourism to,287-289;travel time to,240-244;water on,265
1700040842
1700040843
Mars 2 spacecraft,239,250
1700040844
1700040845
Mars 3 spacecraft,152,239,250
1700040846
1700040847
Mars500 project,52-54
1700040848
1700040849
Mars City Design,275
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