Sentences with phrase «black hole growth»

Certain models of supermassive black hole growth invoke the presence of «seed» black holes that result from the deaths of very early stars.

Dr Gandhi believes that we are only now beginning to properly understand supermassive black hole growth in the obscured regime.

If astronomers find Voorwerp is emitting light it once absorbed from a quasar, «this would be some kind of pointer to the possibility that there is more local black hole growth than we might have estimated originally», Urry told New Scientist.

The discovery of this ultraluminous quasar also presents a major puzzle to the theory of black hole growth at early universe, according to Xiaohui Fan, Regents» Professor of Astronomy at the UA's Steward Observatory, who co-authored the study.

In this talk, Yale University's Meg Urry will first give several alternative descriptions of what a black hole is, then explain how recent multiwavelength surveys have allowed astronomers to take a census of black hole growth across cosmic time.

Urry will conclude with the big picture: the evolution of the universe over the last 13 billion years, as indicated by computer simulations, and future prospects for observing black hole growth and mergers across the cosmos.

«Gathering all this mass in fewer than 690 million years is an enormous challenge for theories of supermassive black hole growth,» Bañados explained.

Gathering all this mass in under 690 million years is an enormous challenge for theories of supermassive black hole growth, explains Eduardo Bañados, an astronomer at the Carnegie Institution for Science who led the international team of scientists.

The observations, presented in a paper led by Yali Shao (Peking University and the National Radio Astronomy Observatory), have provided intriguing insight about early supermassive black hole growth.

«Gathering all this mass in fewer than 690 million years is an enormous challenge for theories of supermassive black hole growth.»