Twinkle, Twinkle, Massive Quasar.

PositionObserved in Leo constellation - Brief Article

Astronomers are usually excited about finding a couple of quasars together, but in this one shot, they found 18. These quasars, ultrabright galaxies thought to be wrapped around black holes, cover a region of space in the Leo the Lion constellation about 600 million light-years across...

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