Word: smithsoman
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Dates: during 1970-1979
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...million laboratory's machinery was working properly, mission controllers pointed HEAO-2's x-ray telescope, the largest and most sensitive ever used, at Cygnus X-1, a well-known radiation source that astronomers think may be a black hole. The resulting picture encouraged scientists at the Harvard-Smithsoman Center for Astrophysics, which has been deeply involved in the project...
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