Word: asteroid
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Dates: during 1960-1969
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...June 19, 1968 the asteroid Icarus, which is nearly a mile in diameter, will crash into the mid-Atlantic, 2,000 miles east of Florida. Its impact - the equivalent of a 500,000-megaton bomb blast - will splash out some 1,000 cubic miles of sea water and form a crater 15 miles across in the ocean floor. Tidal waves 100 ft. high will sweep across coastal cities on both sides of the ocean, and earthquakes 100 times worse than any ever recorded will be felt all over the world. Clearly, Icarus must be stopped. No expense will be spared...
...University of Chicago and James R. Arnold of the University of California, San Diego. If that were so, the two men argue in the latest issue of Science, Mars would show many more craters than it appears to have. Assuming a fairly constant supply of crater-forming asteroids, Mars, which is far closer to the asteroid belt, would have been hit up to 25 times more often than the moon. There would be as many as 220 craters per 1,000,000 sq. km., not the meager 37 that have been observed...
...other student poems are generally clearer, but so slight as to be almost non-existent. The sentence, "The bright sun of dance makes no/moon of him, he receives the light/an asteroid past Pluto," which appears in Gavin Borden's "Marriage," must rank as the least happy of the issue...
...earth and its nearby partner the moon live in an orderly neighborhood; only at vast intervals, millions of years apart, is the area blasted by trouble. Then a giant meteor, perhaps a wanderer from the asteroid belt between the orbits of Mars and Jupiter, streaks into range. If it happens to hit the earth, it blasts a crater many miles across, sometimes melting nearby rock and spewing out slaglike material called impactite. If it collides with the moon, the crashing meteor produces glassy objects called tektites, which many scientists believe are knocked out of lunar craters, solidified in space...
...intimacy with asteroids increases, thinks Kohler, space voyagers may hitchhike on them, finding shelter from radiation, and perhaps fuel or structural material. Even a small asteroid will provide a steady base for telescopes. If an asteroid is traveling roughly parallel to the earth, it might be steered into an earth orbit. Then it could be hollowed out and used by spacemen as a roomy, steady, well-shielded satellite base...