biography
| name: |
Keeler, James (Edward)
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| sex:
| male
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| lived:
| (1857–1900)
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| biography:
| Astronomer, born in La Salle, Illinois, USA. He studied at Johns Hopkins, Heidelberg, and Berlin universities, and became director of the Allegheny Observatory, Pittsburgh (1891–8), then of the Lick Observatory, CA. He established the composition of Saturn's rings (as Maxwell had postulated), and carried out important spectroscopic work on nebulae, discovering 120 000 of them. |
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