What is the complex sentence "Astronomers have located a quasar that may be the largest object in the universe
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What is the complex sentence "Astronomers have located a quasar that may be the largest object in the universe
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Answer:
The term quasar derives from how these objects were originally discovered in the earliest radio surveys of the sky in the 1950s.
Explanation:
quasar, an astronomical object of very high luminosity found in the centres of some galaxies and powered by gas spiraling at high velocity into an extremely large black hole. The brightest quasars can outshine all of the stars in the galaxies in which they reside, which makes them visible even at distances of billions of light-years. Quasars are among the most distant and luminous objects known.
complex sentence is ; Roughly a billion times more massive than the Sun, PJ352–15 is one of the most powerful quasars yet seen in the first billion years after the Big Bang. Astronomers are uncertain how supermassive black holes could grow so quickly in the early Universe, and PJ352–15 could help answer the question.