1700040740
1700040741
Jupiter,305-306,314-319
1700040742
1700040743
Jupiter-3 rocket,150
1700040744
1700040745
Kaluga,Russia,98-99
1700040746
1700040747
Kármán line,134-135,146
1700040748
1700040749
Kelly,Mark,94
1700040750
1700040751
Kelly,Scott,94-95,235,238
1700040752
1700040753
Kennedy,John F.,5-6,153
1700040754
1700040755
Kerimov,Kerim,119
1700040756
1700040757
Kevlar,126,140,145,269,274
1700040758
1700040759
Khrushchev,Nikita,149
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
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