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Ancient quasars add to a 'major unsolved problem' in astrophysics
WASHINGTON, July 8 : A quasar — among the universe's most luminous and energetic objects — is a supermassive black hole caught in the act of guzzling matter at the heart of a galaxy. Scientists have now found quasars dating to so early in cosmic history that they are baffled as to how they already existed at tha
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dw.com
European space telescope Euclid spots oldest quasars yet
Think of quasars as time machines. Rare but revealing. They are light from the beginnings of the universe that let astronomers investigate how early galaxies formed.
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thehindu.com
Oldest quasars ever found deepen 'perplexing' space mystery
Astronomers using the Euclid telescope discovered ancient quasars, deepening the mystery of early universe evolution and massive cosmic structures.
