Astronomers discover 83 supermassive black holes in the early universe: Subaru Telescope spots 13-billion-year-old quasars powered by black holes - Science Daily

1. Astronomers discover 83 supermassive black holes in the early universe: Subaru Telescope spots 13-billion-year-old quasars powered by black holes  Science Daily
2. Astronomers discover 83 supermassive black holes in the early universe  Phys.org
3. Scientists discover 83 super old supermassive black holes  SlashGear
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