Word: proxima
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Dates: during 1960-1969
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...event that a civilization exists on some planet orbiting a nearby star, and has been able to detect transmissions from Earth, it is unlikely that any of its saucers have yet arrived to investigate. Even the nearest star, Proxima Centauri, is 4.3 light-years away. And because presumably no spaceship-or any matter-can travel at or beyond the velocity of light, which is the universal speed limit according to the Einstein theory of relativity, it would take considerably longer than 4.3 light-years to reach the earth from its nearest stellar neighbor. At the 17,500 m.p.h. that astronauts...