打字猴:1.70004133e+09
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
1700041363 Vermeulen,Angelo,50
1700041364
1700041365 Verseux,Cyprien,51
1700041366
1700041367 Vesta,202-203,208,216,218,339
1700041368
1700041369 Viking Landers,239,258
1700041370
1700041371 Viking Orbiter,221
1700041372
1700041373 Villa Las Estrellas,32
1700041374
1700041375 Virgin Galactic,114,135-138
1700041376
1700041377 viruses,93
1700041378
1700041379 vision loss,70
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