Jul 5 1993
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NASA said that the U.S.-French TOPEX/Poseidon satellite had revealed that sea levels dropped 12 inches off the East Coast during the period between October 1992 to March 1993 as cold winter air chilled the Atlantic Ocean and made the water contract. The satellite also found that sea levels rose 12 inches in parts of the Southern Hemisphere, where warm summer air heated the oceans and made the water expand.
According to Lee Fu, chief scientist of the $706 million project at NASA's Jet Propulsion Laboratory, these measurements were the most accurate yet of global sea level changes and showed how sea levels were affected by both winds and seasonal temperature changes in ocean water. (AP, Jul 5/93)
Donald Yeomans of NASA's Jet Propulsion Laboratory in Pasadena, California, said that "there is almost no question" that major chunks of the comet Shoemaker-Levy 9 would hit the planet Jupiter in late July of 1994. Astronomers planned to aim virtually every telescope in the world at Jupiter in late July to see what happens when big chunks of a shattered comet crash into the largest known planet at almost 40 miles a second. Astronomers predicted that the chunks would explode with the energy equivalent to almost a billion megatons of TNT. (W Post, Jul 5/93; W Times, Oct 5/93)
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