Collections
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Know Quasar / AGN (SIMBAD) by Shigeru (10 subjects)
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Known Quasars and Active Galaxy Nuclei by TED91 (10 subjects)
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Favorites by Vinokurov (10 subjects)
Disk Detective Talk
Know Quasar / AGN (SIMBAD) by Shigeru (10 subjects)
Known Quasars and Active Galaxy Nuclei by TED91 (10 subjects)
Favorites by Vinokurov (10 subjects)