Results 241 to 245 of about 81,623 (245)
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The age of the quasars

Nature, 2014
An infrared census of accreting supermassive black holes across a wide range of cosmic times indicates that the canonical understanding of how these luminous objects form and evolve may need to be adjusted.
openaire   +3 more sources

Quasars

Physics Bulletin, 1969
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The Evolution of Quasars

Scientific American, 1971
Maarten Schmidt, Francis Bello
openaire   +2 more sources

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