File:Eleanor F. Helin, 1973.jpg
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Eleanor_F._Helin,_1973.jpg (448 × 448 pixels, file size: 62 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:31, 15 January 2022 | 448 × 448 (62 KB) | imagescommonswiki>Ras67 | == {{int:filedesc}} == {{Information |Description = {{en|1=Eleanor F. “Glo” Helin (1932–2009) was active in planetary science and astronomy for more than 40 years at the California Institute of Technology and NASA’s Jet Propulsion Laboratory. In the early 1970s, she initiated the Palomar Planet-Crossing Asteroid Survey (PCAS) from Palomar Observatory, searching for large near-Earth asteroids (NEAs). This photographic program concluded after 25 years when the Near-Earth Asteroid Tracking (NEAT... |
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