Word: earth
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Dates: during 1950-1959
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...sent Sputnik I into the skies, tearing a wound in U.S. pride and prestige, the Army's Explorer thundered off the launching pad at Cape Canaveral last week, a symbol of a new kind of U.S. strength. "The U.S.," said President Dwight Eisenhower, "has successfully placed a scientific earth satellite around the earth...
...Army's satellite Explorer (official scientific name: 1958 Alpha) insistently broadcast its hoarse radio cry. Ten minutes after takeoff, Antigua in the British West Indies heard it soar triumphantly overhead. Fifteen minutes later it was radio-tracked over Ghana on the west coast of Africa. Around the earth it swept, but not until it passed homebound over California-nearly two hours after it left the ground-were the scientists sure that their bird was in a stable orbit...
...ready for firing, the whole assembly weighed 65,000 lbs., so the 83,000-lb. thrust of the first-stage rocket motor lifted it off the ground at a fairly fast clip. The first stage burned for 150 seconds. When its fuel was gone, about 60 miles above the earth, most of the Redstone dropped away, leaving only a short section of the nose attached to the spinning bucket. As it zoomed upward at several thousand miles per hour, a gyroscopically controlled device turned the missile's attitude toward the horizontal by blowing jets of compressed air through nozzles...
Southerly Swing. Unlike the Russian Sputniks, which sweep close to the Arctic and Antarctic Circles, the Explorer follows a sinuous orbit around the earth's middle, crossing the equator at an angle of about 34° and coming only as far north as Atlanta. At its highest point (apogee), the orbit rises to 1,700 miles above the earth, descending to about 200 miles (perigee). The round trip takes 114 minutes. This is a "safe" orbit, above nearly all the drag of the atmosphere, and higher than the orbits of the Russian satellites...
Louise Nevelson began to create her own kind of world in wood while she was still a child. Born on the black earth of the Ukrainian steppes, she came to the U.S. with her parents when she was four, settled with them in Rockland, Me., where the interlocking arms of heavy timber and the gentle twigs of rocky bush excited her imagination. While her family made a good living out of lumber, her young hands made bits of her imaginary universe out of driftwood and scraps. She moved into New York at 18, studied under Kenneth Hayes Miller...