Sentences with phrase «ancient quasars»

"Ancient quasars" refers to very old and faraway celestial objects in the universe called quasars. They are extremely bright and powerful sources of energy that existed billions of years ago and provide information about the early stages of the universe. Full definition
Detailed in a study to be published in the latest edition of the Astrophysical Journal Supplement Series, the discovery almost doubles the number of ancient quasars previously discovered.
The question is, Which channel created the bulk of the bright ancient quasars that astronomers see?
The next step would be to look for other ancient quasars that are also more massive than they should be.
But there will also undoubtedly be shocks, like the sighting of ancient quasars and the discovery of cannibal galaxies — and that is what really motivates the people who run the hardest - working telescope in the world.
With this head start, they could have easily grown to 109 or 1010 solar masses, thereby producing the ancient quasars that have puzzled astronomers for nearly two decades.
Even black holes this large, however, are far smaller than the masses needed to power the ancient quasars.
Because NGC 1600 is an old galaxy with little new star formation, Ma suspects that it, too, may harbor an ancient quasar that once blazed brightly but is now asleep.
However, a team of astronomers has now discovered three ancient quasars that seemingly challenge the conventional wisdom.
But having more examples of ancient quasars will help experts to figure out what happened in those first billion years after the Big Bang,» the Carnegie Institution said in the statement.
But until now, conclusive results have been limited by the very small sample size of ancient quasars
This era of reionization, when the first condensed sources of matter were formed, is what scientists hope to study using these ancient quasars.
a b c d e f g h i j k l m n o p q r s t u v w x y z