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Word: widefield (lookup in dictionary) (lookup stats)
Dates: during 1957-1957
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Usage:

...radio alone. Optical observations are needed to chart the orbit accurately, and the satellite moves so fast that the big, slow-moving telescopes of professional astronomers have little chance of holding it for long. So teams of amateur astronomers, organized into "Operation Moonwatch," will spot the satellite with widefield, low-power, low-cost telescopes...

Author: /time Magazine | Title: Science: Plumber's Satellite | 7/1/1957 | See Source »

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