Word: planets
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Dates: during 1970-1979
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JUPITER'S TAIL. Because their cores are molten metal, both Jupiter and the earth possess mighty magnetic fields. Both planets also carry magnetic tails -or bulges in their magnetic fields -caused by exposure to the million-mile-per-hour solar wind, a flow of highly charged particles from the sun. Satellites of the Pioneer series determined in 1966 that the earth's magnetic tail extends some 395,000,000 miles "down solar wind" of the planet. The Pioneer 10 satellite, which recently passed Jupiter on its way out of the solar system, proved that Jupiter's tail...
...VIEW OF VENUS. Most cosmologists consider earth to be the only planet in the solar system that is still being altered by geologic processes. But Michael Malin of the Jet Propulsion Laboratory in Pasadena, Calif., believes Venus may also be active. The researcher bases his thoughts about the dynamism of Venus on observations made by others through the huge radio telescope at Goldstone, Calif. One series of shots of Venus' surface shows a vast, troughlike depression about three-quarters of a mile long and 200 yds. wide; another shows, on an otherwise smooth plain, a cluster...
...have emerged to flourish as independent companies. The one with the most exotic projects is Dallas-based E-Systems Inc., a company with a meaningless name, an ultrasophisticated product line and operations that extend to such recherché places as the Sinai desert and the planet Mars...
...fact that the leaders of the most populous nation on earth wish to discuss the future of this planet with Richard Nixon has an inescapable meaning tome...
...referendum on the ballot in the California June primary that would curb the construction of new nuclear power reactors in the state. Said Minor in his letter of resignation: "Nuclear reactors and nuclear weapons now present a serious danger to the future of all life on this planet...