Word: earth
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Dates: during 1950-1959
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...Earth & Space...
SINCE last July, thousands of scientists in 67 nations, pooling their findings, have been busily examining the sun, the oceans and the polar caps, and closely inspecting the atmosphere above the earth and the mysterious, high-pressure stuff beneath the earth's surface. For an interim report on the International Geophysical Year. see SCIENCE, A Look at Man's Planet...
...began to break up. Night after night, Kraus tracked three pieces-one of them may have been the nose cone, but the other two were certainly fragments of the satellite itself. Between Jan. 2 and 5, two of the pieces broke into smaller bits and spiraled closer to earth. On Jan. 6 he distinguished eight distinct fragments, all of them still orbiting, but at slightly different speeds. Toward the end, it took as much as 30 minutes for the procession to cross Ohio. Dr. Kraus thinks that the Sputnik's thin metal skin disintegrated first, allowing its contents (batteries...
...Everything on earth lives by grace of the sun, so better knowledge of the sun is vitally important. Solar astronomers at 126 stations around the turning earth have been watching the sun 24 hours a day. To catch its important ultraviolet and X rays, which do not penetrate to the surface, balloons soar high in the air and rockets climb to the top of the atmosphere on a regular schedule. Special instruments watch the sun's glowing outer corona, which may extend as a tenuous gas all the way to the earth...
CAMBRIDGE, Mass., Jan. 19--Moon-watch scientists tonight reported an official sighting of Sputnik II, Russia's dog-satellite, as it sped around the earth some 400 miles in space...