打字猴:1.70004049e+09
1700040490
1700040491 comets,63,202,333-334;as starships,334
1700040492
1700040493 Comité Speciale de l’Année Geophysique Internationale(CSAGI),149
1700040494
1700040495 Commercial Space Launch Amendments Act of 2004,136
1700040496
1700040497 Concorde,138-139
1700040498
1700040499 Concordia Research Station,48
1700040500
1700040501 ConsenSys,208-209
1700040502
1700040503 Controlled Environment Agriculture Center(CEAC),35-36,195
1700040504
1700040505 Cook,Frederick A.,54-55
1700040506
1700040507 coronal mass ejection(CME),80-81
1700040508
1700040509 cosmic rays. See radiation:cosmic
1700040510
1700040511 cosmic ray visual phenomena,86
1700040512
1700040513 Cox Report,158
1700040514
1700040515 cryptocurrency,209
1700040516
1700040517 CubeSat,114n
1700040518
1700040519 Cucinotta,Francis,83,88-89
1700040520
1700040521 Curiosity rover,239,251,259,272,274
1700040522
1700040523 DARPA(US Defense Advanced Research Projects Agency),133
1700040524
1700040525 Dawn spacecraft,208,216,339
1700040526
1700040527 Dear Moon project,186
1700040528
1700040529 Deep Space Gateway. See Lunar Orbital Platform-Gateway
1700040530
1700040531 Deep Space Industries(DSI),209,213
1700040532
1700040533 Deimos,291
1700040534
1700040535 Delta rockets,109,113-114
1700040536
1700040537 delta-v(Δv ),99-101,209
1700040538
1700040539 Desert RATS,227-228
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