Sentences with phrase «first black holes»

One new idea is that the very first black holes did not form from dead stars at all; instead, they formed directly from the collapse of huge amounts of gas.

Date: December 26, 2015 Mass of first black hole: 14.2 solar masses Mass of second black hole: 7.5 solar masses Merged mass: 20.8 solar masses Energy radiated as gravitational waves: 1 solar mass Distance from Earth: 1.4 billion light - years

A new supercomputer simulation designed to track the fate of the universe's first black holes finds that, counter to expectations, they couldn't efficiently gorge themselves on nearby gas.

A long - standing question in astrophysics is whether the universe's very first black holes came into existence less than a second after the Big Bang or whether they formed only millions of years later during the deaths of the earliest stars.

Date: September 14, 2015 Mass of first black hole: 36.2 solar masses Mass of second black hole: 29.1 solar masses Merged mass: 62.3 solar masses Energy radiated as gravitational waves: 3 solar masses Distance from Earth: 1.4 billion light - years

And very soon the JWST will open up an entirely new window on the very first black holes to light up the universe.

Many astronomers think that the first black holes — seed black holes — are the remnants of the first stars, corpses left behind after the stars exploded into supernovae.

Unveiling the First Black Holes with JWST: Multi-wavelength Spectral Predictions.

Thus, we must wonder whether the first black hole seeds could have formed through other channels.

Date: January 4, 2017 Mass of first black hole: 31.2 solar masses Mass of second black hole: 19.4 solar masses Merged mass: 48.7 solar masses Energy radiated as gravitational waves: 2 solar masses Distance from Earth: 2.9 billion light - years

The amplitude and frequency of these waves could reveal the initial mass of the seeds from which the first black holes grew since they were formed 13 billion years ago and provide further clues about what caused them and where they formed, the researchers said.

The team wanted to see how the earliest black holes grew, so they created simulations based on previous work with the earliest stars, many of which collapsed directly into the first black holes.

Like many pioneers in new surroundings, the first black holes found scant pickings, according to new simulations that mimic conditions in the early universe.

In August, researchers at the Kavli Institute for Particle Astrophysics and Cosmology at Stanford University ran a supercomputer simulation of the early universe and provided a tantalizing glimpse into the lives of the first black holes.

Her work shows that the first black holes were enveloped by halos of dense, invisible matter tens of thousands of times more massive.

To address this issue, the researchers constructed the first black hole simulation code accelerated by graphical processing units (GPUs).

«Mosh pits» in star clusters a likely source of LIGO's first black holes: LIGO's first detection of merging black holes «perfectly consistent» with Northwestern model.»

Simple freshman physics — Newton's first law of motion — explains the gravitational dynamics of the first black holes detected by LIGO.»

Unveiling the first black holes with JWST: Multi-wavelength spectral predictions.

Almost as soon as the detectors were turned on — even before scientific data - taking had formally begun — scientists detected the minuscule undulations of their first black hole collision.

They're the first black holes ever found in a Milky Way star cluster.

Other stellar - mass black holes — such as the one in Cygnus X-1, the first black hole found — came to attention because hot gas swirling into the black holes emits x-rays.

UCLA physicists have proposed new theories for how the universe's first black holes might have formed and the role they might play in the production of heavy elements such as gold, platinum and uranium.

Charles Thomas Bolton, one of the observatory's astronomers, discovered Cygnus X-1, the first black hole ever identified.

An interesting theory from early 2015, before the first black hole merger signal had been detected, drafts a compelling scenario, formulated by Madrid professor Juan Garcia - Bellido and postdoc Sebastien Clesse from RWTH Aachen University: maybe the universe is crowded with black holes of various sizes, remnants of large density fluctuations during the so - called inflation phase of the Big Bang.

This computer - simulated image shows gas (blue) interacting with one of the first black holes (white) in the early universe, approximately 200 million years after the Big Bang.

To make their discovery, the researchers created the most detailed simulations to date of the first black holes in the universe that formed from the collapse of stars.

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.

However, the new results, published in The Astrophysical Journal Letters, point to a much more complex role for the first black holes.

«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.

The first black holes in the universe had dramatic effects on their surroundings despite the fact that they were small and grew very slowly, according to recent supercomputer simulations carried out by astrophysicists wth the Kavli Institute for Particle Astrophysics and Cosmology.

Several popular theories posit that the first black holes gorged themselves on gas clouds and dust in the early universe, growing into the supersized black holes that lurk in the centers of galaxies today.

Although the simulations do not yet completely rule out the theory, this makes it less likely that these first black holes could have grown directly into the supermassive black holes observed to have existed less than a billion years later, Alvarez said.

The first black holes in the universe had dramatic effects on their surroundings despite the fact that they were small and grew very slowly, according to recent supercomputer simulations carried out by astrophysicists Marcelo Alvarez and Tom Abel of the Kavli Institute for Particle Astrophysics and Cosmology, jointly located at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University, and John Wise, formerly of KIPAC and now of NASA Goddard Space Flight Center.

«While additional observations are needed to confirm this motion and obtain a precise orbit, this is apparently the first black hole system resolved as a visual binary,» they write.