Sentences with phrase «supermassive black hole growth»
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.
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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.
Not exact matches
New Observational Constraints on the Growth of the First Supermassive Black Holes.
«This supermassive black hole is regulating the growth of the galaxy by blowing bubbles and heating the gases around it.
«With ALMA we can see that there's a direct link between these radio bubbles inflated by the supermassive black hole and the future fuel for galaxy growth,» said Helen Russell, an astronomer with the University of Cambridge, UK, and lead author on a paper appearing in the Astrophysical Journal.
For many aspects of the simulation, researchers can start their calculations at a fundamental, or ab initio, level with no need for preconceived input data, but processes that are less understood — such as star formation and the growth of supermassive black holes — need to be informed by observation and by making assumptions that can simplify the deluge of calculations.
Decades from now new generations of space telescopes could capture the mergers of supermassive black holes and glimpse pulsars spiraling to doom down their maws, or see snapping «cosmic strings,» proton - thin intergalactic defects in spacetime that may have been stretched across the infant universe during an inflationary growth spurt.
Such rapid growth may help explain how supermassive black holes were able to reach masses about a billion times higher than the sun when the universe was only about a billion years old.
He and a number of colleagues theorize that energy streaming from hot gas around a supermassive black hole could compress, stir, and irradiate the surrounding environment in a way that helps regulate the growth of the galaxy and the production of stars.
As such, researchers want to look at as many early supermassive black holes as possible to learn more about their growth and their effects on the rest of the cosmos.
To measure the mass and growth rate of these galaxies» active nuclei — the supermassive black holes at the galaxies» centers — the researchers used data from 12 different ground - based telescopes spread across the globe to complement the data from the Swift satellite.
«We are learning the conditions of the infalling material and whether this plays a role in the growth of the supermassive black hole,» Ghez says.
As well as boosting the number of pairs of supermassive black holes, this method may help us understand how gas and dust flows onto both individual black holes to feed their growth spurts.
«Dense molecular gas disks drive the growth of supermassive black holes: Are supernova explosions the key?.»
This finding provides important insights on the growth of supermassive black holes over cosmic time.
Meanwhile, a correlation between the rate at which stars form in the central regions of galaxies and the amount of gas that falls into supermassive black holes (mass accretion rate) was known to exist, leading some scientists to suggest that the activity involved in star formation fuels the growth of black holes.
He continues, «We hope to expand our research to farther expanses of the universe by utilizing the superb capability of ALMA to help us understand comprehensively the growth of supermassive black holes over cosmic time.»
The second will study the formation, growth and ultimate sizes of the supermassive black holes found at the centers of galaxies.
Researchers said the technique could help astronomers address broad questions about galactic evolution, which is intimately tied to the growth and activity of the supermassive black holes that lurk at the heart of most, if not all, galaxies.
«While X-rays from matter falling onto the first black holes hindered their further growth, that very same radiation may have later cleared the way for direct formation of supermassive black holes by suppressing star formation,» said Alvarez.
This implies that the supermassive black hole mass is established well before the galaxy, and potentially the energetics from the quasar are capable of controlling the growth of the galaxy.
The results will ultimately help astronomers understand how the growth patterns of supermassive black holes change over time — a key factor in the development of black holes and the galaxies that host them.
The computer simulations revealed that supermassive black holes can form much faster than previously believed if their growth is fed by cold and dense accretion streams.
In March, researchers from the Los Alamos National Laboratory in New Mexico used computer simulations to calculate the rate of evolution of supermassive black holes if their growth is fed by cold and dense accretion streams.
«Supermassive black holes have a lot of influence on the stars around them and the growth and evolution of the galaxy, so understanding more about them and what happens when they merge with one another could be important for our understanding for the universe,» Taylor said.
«It turns out that while supermassive black holes have a growth speed limit, certain types of massive stars do not,» study lead author Joseph Smidt said in a statement released Tuesday.