Sentences with phrase «supermassive black hole as»

Our results indicate that the event was probably caused by a rapidly spinning supermassive black hole as it destroyed a low - mass star,» Leloudas said in the statement Monday.

Previous reported distances to NGC 4151, which contains a supermassive black hole, ranged from 4 - to 29 - megaparsecs, but using this new, more accurate method, the researchers calculated the distance to the supermassive black hole as 19 megaparsecs.

A leading theory is that star - making materials are scattered by torrents of energy released by a galaxy's central supermassive black hole as it sloppily devours matter.

The process will likely shrink the small black holes into an ever - tighter clump around the supermassive black hole as time goes on, says astrophysicist Abraham Loeb of Harvard University in Cambridge, Massachusetts.

The researchers found that relatively cool accretion discs around young stars, whose inner edges can be several times the size of the Sun, show the same behaviour as the hot, violent accretion discs around planet - sized white dwarfs, city - sized black holes and supermassive black holes as large as the entire Solar system, supporting the universality of accretion physics.

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.

Just a billion years after the big bang, supermassive black holes as much as 10 billion times the mass of the sun were making their presence felt in the universe.

VLBA images detect orbital motion of two supermassive black holes as they circle each other at the center of a distant galaxy.

Not exact matches

The image shows the X-ray and H - alpha arcs, as well as the radio outflows from the supermassive black hole at the centre of NGC 5195.

Supermassive black holes do the same, and if similar processes are behind the bursts, watching Cygnus X-3 could tell us how they develop as they gobble up matter from their surroundings.

As matter falls toward the supermassive black hole at the galaxy's center, some of it is accelerated outward at nearly the speed of light along jets pointed in opposite directions.

It will also pick up lower frequency waves, showing us a different set of objects, such as pairs of supermassive black holes.

But just as important is what can't be seen: the fainter glows from smaller black holes, slowly putting on weight, as expected if supermassive black holes were born star - sized and grew gradually.

At the Milky Way's heart, stars circle a supermassive black hole called Sagittarius A *, which contains about 3.7 million times as much mass as our sun.

As to whether astronomers will detect a supermassive black hole merger, «it'll be interesting either way,» Mingarelli says.

As each of these theories predicts different initial masses for the seeds of supermassive black hole seeds, the collisions would produce different gravitational wave signals.

Two detections of gravitational waves caused by collisions between supermassive black holes should be possible each year using space - based instruments such as the Evolved Laser Interferometer Space Antenna (eLISA) detector that is due to launch in 2034, the researchers said.

NEW WAVE If the supermassive black hole from the film Interstellar were real, scientists might be able to detect a unique signature of its gravitational waves as it swallowed a companion.

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.

Doing so would make it possible to detect gravitational waves, faint ripples in space - time that, according to Einstein, emanate from interactions between massive objects such as neutron stars and supermassive black holes.

They could have emerged from gamma - ray bursts, mysterious and short - lived cataclysms that briefly rank as the brightest objects in the universe; shock waves from exploding stars; or so - called blazars, jets of energy powered by supermassive black holes.

Spanish scientists suggest an easy way to weigh supermassive black holes such as this one.

Most astronomers think that these objects generate their enormous amounts of energy as gravity and friction heat material that falls into a central «supermassive» black hole.

Just as every planet in the solar system orbits the sun, every star in the galaxy orbits this supermassive black hole.

Over the past several decades, though, astronomers have realized that black holes are not so unusual after all: Supermassive ones, millions or billions of times as hefty as the sun, seem to reside at the center of most, if not all, galaxies.

No one has actually seen a black hole, he says, and anything with a tremendous amount of gravity — such as the supermassive remnants of stars — could exert effects similar to those researchers have blamed on black holes.

This composite image shows the motion of the dusty cloud G2 as it closes in on, and then passes, the supermassive black hole at the centre of the Milky Way.

The objects causing these low - frequency ripples — such as orbiting supermassive black holes at the centers of distant galaxies — would be different from the higher frequency ripples, emitted by collisions of much smaller black holes, that have so far been detected on Earth.

Similar to how water in a bathtub forms a whirlpool as it goes down a drain, the gas and magnetic fields that feed a supermassive black hole swirl to form a rotating disk — a tangled spaghetti of magnetic field lines mixed into a broth of hot gas.

Through these efforts, astronomers are attempting to understand recently discovered phenomena such as the first detections of gravitational waves from neutron star collisions and the accompanying electromagnetic fireworks as well as regular stars being engulfed by supermassive black holes.

Astrophysicists at Goethe University Frankfurt, and collaborators in the ERC - funded project BlackHoleCam in Bonn and Nijmegen have created and compared self - consistent and realistic images of the shadow of an accreting supermassive black hole — such as the black - hole candidate Sagittarius A * (Sgr A *) in the heart of our galaxy — both in general relativity and in a different theory of gravity.

Unlike previous SDSS surveys, they are not only mapping the centers of galaxies where supermassive black holes live, but the outer edges of the galaxies as well, which allowed them to discover the red geyser galaxy.

«High - energy neutrinos are produced along with gamma rays by extremely high - energy radiation known as cosmic rays in objects like star - forming galaxies, galaxy clusters, supermassive black holes, or gamma - ray bursts.

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.

Astronomers can't wait for the gas cloud known as G2 to reach our galaxy's central supermassive black hole, as shown in this simulation.

To probe the cloud, the team used an even more distant quasar — a hugely bright light source powered by a supermassive black hole — as a backlight.

After charting stars in the heart of our galaxy traveling at speeds up to 50 times faster than Earth circles the sun, scientists are convinced that a supermassive black hole is pulling the strings, as only the relentless grip of a supermassive black hole could keep these frenzied stars locked into orbit within the galactic center.

J1415 +1320 is what's known as a blazar, a bright galaxy with a gluttonous supermassive black hole at its center (SN: 3/4/17, p. 13).

Astronomers have observed tornadolike winds powered by a central active supermassive black hole, such as the one in this image, pervading a galaxy.

The researchers conclude that the violent merging of two galaxies as their black holes spiral together into one supermassive black hole may be what powers AGN.

Resembling spotlights at a Hollywood movie premier, such beams are probably generated as matter plunges into a supermassive black hole at the center of the galaxy.

In October 2015, astronomers watched as a supermassive black hole in the galaxy PGC 043234 — 290 million light - years away — shredded a star, scooped it into the accretion disk and then ate it for space lunch.

The feeding process is somewhat similar to what happens around supermassive black holes, but isn't as big and messy.

The orbiting motion of the accretion disk can trace the «death spiral» of its matter as it falls into the darkness of what the astrophysicists measure to be a supermassive black hole.

The largest black holes, referred to as supermassive, dominate the hearts of galaxies.

«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.

Discovered in 1963, quasars are the most powerful objects beyond our Milky Way galaxy, beaming vast amounts of energy across space as the supermassive black hole in their center sucks in matter from its surroundings.

«Scientists observe supermassive black hole in infant universe: Findings present a puzzle as to how such a huge object could have grown so quickly.»

A small fraction of supermassive black holes — the ginormous ones that lurk at the centers of galaxies — fire off light - speed jets of particles as they snack.

In quasars, supermassive black holes are surrounded by whirling disks of hot gas that give off enormous amounts of radiation as they gradually spiral into oblivion.