biography
| name: |
Whipple, Fred (Lawrence)
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| sex:
| male
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| lived:
| (1906– )
|
| biography:
| Astronomer, born in Red Oak, Iowa, USA. He studied at California University, and became professor of astronomy at Harvard in 1945. An expert on the Solar System, he is known especially for his work on comets. In 1950 he suggested that they are composed of ice and dust, and that many aspects of their behaviour could be interpreted on this basis; later work, and especially the study of Halley's comet in 1986 by space probes, has confirmed this ‘dirty snowball’ model. |
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