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December 01 1994

William W. Morgan

Donald E. Osterbrock

Donald E. Osterbrock

Lick Observatory, University of California, Santa Cruz

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Author & Article Information

Donald E. Osterbrock

Lick Observatory, University of California, Santa Cruz

Physics Today 47 (12), 82–83 (1994);

https://doi.org/10.1063/1.2808763