Sentences with phrase «early supermassive black holes»

He and his colleagues found that gas - rich galaxies — common in the early universe — may be the key to the formation of early supermassive black holes.

The other possibility is that early supermassive black holes simply broke the Eddington limit.

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.

OBESE black holes, not stars, may have lit up the first galaxies — and could have grown into the earliest supermassive black holes.

The earliest supermassive black holes were first sighted in 2001 through a telescope at New Mexico's Apache Point Observatory as part of the Sloan Digital Sky Survey.

To further unveil the nature of this remarkable quasar, and to shed light on the physical processes that led to the formation of the earliest supermassive black holes, the research team will carry out further investigations on this quasar with more international telescopes, including the Hubble Space Telescope and the Chandra X-ray Telescope.

The earliest supermassive black holes may have been big to start with.

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.

Not exact matches

The existence of supermassive black holes in the early universe has never made much sense to astronomers.

And putting together a census of binary supermassive black holes from the early universe, he adds, might help researchers understand what role (if any) these dark duos had in shaping galaxies during the billion or so years following the Big Bang.

Computational analysis of Sloan's prodigious data set has uncovered evidence of some of the earliest known astronomical objects, determined that most large galaxies harbor supermassive black holes, and even mapped out the three - dimensional structure of the local universe.

The findings have scientists puzzling over how early black holes grew into the supermassive beasts they are today without a steady diet of gas, dust, stars, and other fodder.

Though relatively rare, enough galaxies of this size exist in the early universe to explain the supermassive black holes observed so far.

This process is likely stopped early on by powerful gas outflows from supernova explosions, stellar winds and possibly even from the central supermassive black hole.

Evidence for supermassive black holes — weighing millions or billions of suns — has been found in the early universe, but no one knows how they grew so big so fast.

«Knowing more about the black holes powering quasars will allow us to know more about how galaxies develop,» said Marta Volonteri, the research director at the Observatory of Paris and the principal investigator of the BLACK project, which investigates how supermassive black holes influenced their host galaxies, especially as quasars, in the early univblack holes powering quasars will allow us to know more about how galaxies develop,» said Marta Volonteri, the research director at the Observatory of Paris and the principal investigator of the BLACK project, which investigates how supermassive black holes influenced their host galaxies, especially as quasars, in the early univBLACK project, which investigates how supermassive black holes influenced their host galaxies, especially as quasars, in the early univblack holes influenced their host galaxies, especially as quasars, in the early universe.

«This ultraluminous quasar with its supermassive black hole provides a unique laboratory to the study of the mass assembly and galaxy formation around the most massive black holes in the early universe.»

Supermassive black holes in the cores of galaxies are thought to fatten slowly over eons, so finding such a heavyweight so early in the history of the universe is «really pushing it,» he says.

And earlier this year, astronomers showed that the early, distant universe is missing the glow of x-ray light that would be expected from a multitude of small black holes — another sign favoring the sudden birth of big seeds that go on to be supermassive black holes.

TOO BIG, TOO SOON Supermassive black holes that are actively feeding on gas and dust, like the one shown in this artist's rendition, have been spotted in the early universe — before they should have had time to grow.

FIRST BURST A supermassive black hole (illustrated) in the early universe suggests some black holes got a head start on the galaxies they inhabit.

Astronomers have measured Eddington ratios for only about 20 supermassive black holes in the early universe.

It was strange enough to find supermassive black holes with gluttonous appetites in the early universe, but these picky eaters are even harder to explain.

Such «supercritical accretion» is thought to be a possible mechanism in the formation of supermassive black holes at galactic centers in very short time periods (which are observed very early in cosmic time).

«Infant stars found surprisingly near galaxy's supermassive black hole: Earliest phase of star formation ever observed in highly hostile environment.»

Supermassive black holes take a long time to build, so we expect to see only a few in the early universe.

ALMA discovers remarkably early signs of low - mass star formation near the supermassive black hole at the center the Milky Way.

That takes time, yet somehow the early universe contained supermassive black holes, hundreds of thousands of times larger than our sun.

u «Astronomers are puzzled about how the oldest supermassive black holes could have grown so big so early in cosmic history.»

This meeting brings together scientists from across Europe, whose aim is to detect the gravitational wave signature from interacting supermassive black holes in distant, merging galaxies in the early universe.

This could potentially explain how supermassive black holes attained masses of a billion times the sun in the early days of the universe, when it was just about one billion years old.

We now know that galaxies began dying fairly early in the history of the universe, and that central supermassive black holes and galactic collisions play key roles in galactic evolution.

One explanation for the existence of supermassive black holes in the early universe postulates that the first black holes were «seeds» that grew into much larger black holes by gravitationally attracting and then swallowing matter.

The supermassive black holes that lie in the center of most galaxies may have far more voracious appetites than experts previously believed, according to a new study that has uncovered evidence that these behemoths shred stars 100 times more often than earlier research had suggested.

But, in the early universe, their study shows that the 3C 298 galaxy is 100 times less massive than it should be given its behemoth supermassive black hole mass.

The supermassive black hole formed during the earliest moments of the universe, which has researchers puzzled over how it got to be so big.

How did the first supermassive black holes grow alongside their host galaxies in the early universe?

«There's a challenge in how do you explain the presence of supermassive black holes... so early in the universe?

Or could this provide us with insight into how all supermassive black holes grew in the early universe?

The mechanisms behind black hole accretion are poorly understood, but the researchers suggest that this example may just have been an «early bloomer» that had an extremely active youth, only to settle down as a «regular» supermassive black hole in a large elliptical galaxy.

An artist's impression of a growing supermassive black hole located in the early Universe is seen in this NASA handout illustration released on June 15, 2011.

Supermassive black holes lurking in the hearts of countless galaxies are growing faster than astronomers suspected based on earlier studies.

Quasars were such powerful generators of radiation in the early universe because the supermassive black holes in their cores had access to a huge quantity of material.

Using data from three of NASA's Great Observatories (the Hubble Space Telescope, Chandra X-ray Observatory, and Spitzer Space Telescope), scientists have found the best evidence to date that supermassive black holes in the early universe were produced by the direct collapse of a gas cloud.

Supermassive black holes can be relatively tranquil or they can flare up and drive incredibly powerful jets of subatomic particles deep into intergalactic space; quasars seen in the very early Universe are an extreme example.

Dan P. Marrone is interested in galaxy clusters, galaxy formation in the early universe, and the physics of the supermassive black hole in our galaxy, Sagittarius A *.