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Laser geodynamic satellite, Lageos. The satellite, whose actual diameter is 2 feet, has 426 retroreflectors on its exterior. Data from the satellite should aid in the development of techniques for the prediction of earthquakes. See page 1293. [Goddard Space Flight Center, National Aeronautics and Space Administration, Greenbelt, Maryland]


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Science. ISSN 0036-8075 (print), 1095-9203 (online)