Quasars in the Neighborhood

There seems to be more to quasars than anyone had ever thought.

By Sam Flamsteed
Mar 1, 1992 6:00 AMNov 12, 2019 6:31 AM

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There is nothing in the cosmos as dazzling as a quasar. Though smaller than our solar system, a quasar emits more light than an entire galaxy, sending out a beacon that can be seen 10 billion light-years away. Quasars are also thought to be uncommon, distant objects, typically found no closer than one billion light-years from Earth.

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