1700040760
1700040761
Krauss,Lawrence,246-247
1700040762
1700040763
KREEP,162,181
1700040764
1700040765
Kuiper belt,305,330-333
1700040766
1700040767
Kursk (Russian submarine),42
1700040768
1700040769
Lagrangian points,127
1700040770
1700040771
Laika,the dog,150
1700040772
1700040773
Lake Vostok,33,316
1700040774
1700040775
Landscape Evolution Observatory,60
1700040776
1700040777
lava tubes,184-185
1700040778
1700040779
Lebedev,Valentin Vitalyevich,45
1700040780
1700040781
Lee,Pascal,228
1700040782
1700040783
Lehrer,Tom,150n
1700040784
1700040785
Lewis and Clark expedition,205-206
1700040786
1700040787
L5 Society,159
1700040788
1700040789
Lightfoot,Robert,Jr.,122
1700040790
1700040791
Limoli,Charles,87
1700040792
1700040793
liquid oxygen(LOX),104
1700040794
1700040795
Logsdon,John,5-6
1700040796
1700040797
Long March rockets,113-114,155
1700040798
1700040799
lonsdaleite,205
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
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