打字猴:1.700041313e+09
1700041313 Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space…. See Outer Space Treaty
1700041314
1700041315 trinitramide,104
1700041316
1700041317 tritium,166-167
1700041318
1700041319 Triton,327,329-330
1700041320
1700041321 Tsiolkovsky,Konstantin,98-99,142
1700041322
1700041323 Tsiolkovsky rocket equation. See rocket equation
1700041324
1700041325 Twins Study,94-95
1700041326
1700041327 2suit,131
1700041328
1700041329 Tyson,Neil deGrasse,12,102-103,210,284
1700041330
1700041331 ultraviolet(UV)radiation,78-80
1700041332
1700041333 United Launch Alliance(ULA),109,111,114,161
1700041334
1700041335 University of Arizona,35,60,195
1700041336
1700041337 uranium,163,165,169-170
1700041338
1700041339 Uranus,298,305-306,327-329
1700041340
1700041341 US Defense Advanced Research Projects Agency(DARPA),133
1700041342
1700041343 US Department of Defense(DOD),111,134,281
1700041344
1700041345 US Government Accountability Office(GAO),111,157
1700041346
1700041347 US Interstate Highway System,12,141
1700041348
1700041349 Valles Marineris,220-221,288-289
1700041350
1700041351 Van Allen radiation belt,151-152
1700041352
1700041353 Vanguard 1,149-150
1700041354
1700041355 VaPER bed-rest study,48
1700041356
1700041357 VASIMR engine,339-340
1700041358
1700041359 Venera spacecraft,151-152,308
1700041360
1700041361 Venus,304,308-311
1700041362
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