 | N. G. Cooper, Roger Eckhardt, Nancy Shera - Science - 1989 - 324 pages
...and concealing nuclear explosions underground. CHORUS OF SPACE SCIENTISTS: Facilis descensus Averno Sed revocare gradum superasque evadere ad auras. Hoc opus hie labor est* ULFILAS: That must mean that it is more difficult to conceal testing up in space than underground.... | |
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