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Quasars still defy explanation: fifty years after finding that these cosmic beacons lie far away, astronomers need to think harder about how they radiate so much energy
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Published in: | Nature (London) 2013-03, Vol.495 (7440), p.165 |
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Main Author: | |
Format: | Article |
Language: | English |
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Online Access: | Get full text |
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ISSN: | 0028-0836 1476-4687 |