Word: arecibo
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Dates: during 1980-1989
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...South Africa can be found in a series of charges and counter-charges leveled in 1979. On September 22 of that year, a U.S. Vela Satellite linked to the Los Alamos Observatory recorded an atmospheric nuclear explosion in the South Atlantic. A radio telescope at the U.S. observatory in Arecibo, Puerto Rico, and the U.S. Navy Research Laboratory both picked up signs of the blast as well. At a CIA briefing to Congress, it was revealed that a South African naval task force had been in the area in question at the time. That part of the sea is avoided...
...surprising indications of sulfur molecules. Said University of Maryland Astronomer Michael A'Hearn: "The sulfur may be one of the few things we see that actually reside in the comet's nucleus." The most stunning observational feat came when the big, 1,000-ft. radio telescope in Arecibo, PR., managed to bounce radar waves off the fleeting object and perhaps settled the old argument over whether cometary nuclei are gaseous or solid. Said Harvard's Fred Whipple, dean of American comet watchers and chief proponent of the dirty-snowball theory: "The radar proves to my satisfaction that...