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UArizona Spacewatch discovered the larger of the twin asteroids targeted in NASA's upcoming DART mission encounter
September 20, 2022
TUCSON, Arizona, Sept. 20 (TNSres) -- The University of Arizona issued the following news release:

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In 1996, the University of Arizona Spacewatch program discovered Didymos, the larger of the two asteroids that are the focus of NASA's upcoming DART mission encounter.

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On a spring night in 1996, a camera on the University of Arizona Steward Observatory's 36-inch telescope atop Kitt Peak captured three important images of a br . . .

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