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... fission of lead, induced by galactic cosmic ray protons and alpha particles, has also been observed." ''(Science, 3/26/71, 1237-41)'' Element variation and possible material source of Apollo 12 ... Mar 10 1971 10 Mar 11 1971 11 Mar 12 1971 12 Mar 13 1971 13 Mar 14 1971 14 Mar 15 1971 15 Mar 16 1971 16 Mar 17 1971 17 Mar 18 1971 18 Mar 19 1971 19 Mar ...

... the flow of information around the globe." Core of program was new applications of earth observations and communications, but "other areas associated with the unique environment of space, particularly weightlessness, show ... communication signal and earth-based equipment. Pioneer 10 would be first spacecraft to observe Asteroid Belt between orbits of Mars and Jupiter, first man-made object to escape solar system, first spacecraft ...

... sponsored by United Nations World Meteorological Organization's Commission for Instruments and Methods of Observation. Objective was to compare data for better understanding of upper-air temperature and wind ... Mar 10 1972 10 Mar 11 1972 11 Mar 12 1972 12 Mar 13 1972 13 Mar 14 1972 14 Mar 15 1972 15 Mar 16 1972 16 Mar 17 1972 17 Mar 18 1972 18 Mar 19 1972 19 Mar ...

... Explorer 42 (Uhuru, launched Dec. 12, 1970). Two dozen scientific articles had been published on observations by satellite; 116 objects emitting x-rays had been studied and positions accurately determined. ... Mar 10 1972 10 Mar 11 1972 11 Mar 12 1972 12 Mar 13 1972 13 Mar 14 1972 14 Mar 15 1972 15 Mar 16 1972 16 Mar 17 1972 17 Mar 18 1972 18 Mar 19 1972 19 Mar ...

... to obtain temperature information over land areas. NASA had shifted the emphasis of the earth observation aircraft program because of ERTS 1 (launched July 23, 1972) and Skylab (scheduled for May ... Mar 10 1973 10 Mar 11 1973 11 Mar 12 1973 12 Mar 13 1973 13 Mar 14 1973 14 Mar 15 1973 15 Mar 16 1973 16 Mar 17 1973 17 Mar 18 1973 18 Mar 19 1973 19 Mar ...

... predicted but concentrated in small shallow regions. Other early findings of Pioneer 11 included the observation that Jupiter's cloud tops were substantially lower at the poles than at the equator ... Mar 10 1975 10 Mar 11 1975 11 Mar 12 1975 12 Mar 13 1975 13 Mar 14 1975 14 Mar 15 1975 15 Mar 16 1975 16 Mar 17 1975 17 Mar 18 1975 18 Mar 19 1975 19 Mar ...

... extensive observations of the comet using rockets, highflying aircraft, and ground-based instruments; smog or clouds might make ground observation difficult. (NYT, 2 Mar 76, 17; 9 Mar 76, 43; B :Sun, 3 Mar 76, A-3) February 1976 February March 1976 March Mar 1 1976 1 Mar 2 1976 2 Mar 3 1976 3 Mar ...

... . Another U.S. astronomer, Dr. Robert Millis of the Lowell Observatory in Ariz., reported similar observations while viewing Uranus from Perth in Australia. Each of the scientists claimed that the planet ... observations would give Uranus more satellites than any other planet in the solar system. (NYT, Mar 3/77, 77; C Trib, Mar 12/77) February 1977 February March 1977 March Mar 1 1977 1 Mar ...

... that astronomers with little knowledge of spacecraft design, and orbital operations could walk in, conduct observations, and receive data within 24hr. Astronomers would use NASA's IUE, placed in a modified ... Mar 10 1978 10 Mar 11 1978 11 Mar 12 1978 12 Mar 13 1978 13 Mar 14 1978 14 Mar 15 1978 15 Mar 16 1978 16 Mar 17 1978 17 Mar 18 1978 18 Mar 19 1978 19 Mar ...

... end operations as of April.1, said Dr. S.G. Tilford of NASA's environmental observation division. Launched in 1972, Nimbus 5 would probably reenter after the year 2000. Its last ... Mar 10 1983 10 Mar 11 1983 11 Mar 12 1983 12 Mar 13 1983 13 Mar 14 1983 14 Mar 15 1983 15 Mar 16 1983 16 Mar 17 1983 17 Mar 18 1983 18 Mar 19 1983 19 Mar 20 1983 20 Mar ...

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