Sentences with phrase «of black hole jets»

«More embarrassing to astrophysicists is our lack of understanding of black hole jets — phenomena in which the forces near a supermassive black hole somehow conspire to spew out material at ultrarelativistic speeds (up to 99.98 percent of light speed).
Computer code called Cosmos now fuels supercomputer simulations of black hole jets and is starting to reveal the mysteries of black holes and other space oddities.
However, the team says the nebula's light spectrum is different to that of a black hole jet seen in a binary system called SS 433.
Piecing together clues about the colour, speed, and the power of these flashes, we conclude that this light is being emitted from the base of the black hole jet.
Now an international team of researchers from eight different countries has made ultra-high angular resolution images of the black hole jet at the centre of the giant galaxy NGC 1275, also known as radio source Perseus A or 3C 84.

Not exact matches

These observations help clarify the origin of the powerful jet of gas streaming from the galaxy's center at a high fraction of the speed of light: it is likely driven by the swirling matter near the black hole's boundary.»
Nearing the very core of such awesomely huge black holes therein resides a centrality where atoms collide with such force that they release many of their atoms» electrons resulting in a wave of energy giving rise to particle jets being emitted from the said black hole's core.
HIT THE GAS Jets from supermassive black holes, like the one shown in this artist's illustration, could be ultimately responsible for three different types of enigmatic high - energy particles.
Some might even suggest they may be messages from advanced alien civilisations but many experts have predicted that the bursts are emitted when jets of particles are thrown out by massive astrophysical objects, such as black holes.
The mass of the bulge is closely related to the mass of the black hole; the more massive the black hole the more energy is released into the surrounding galaxy in the form of powerful jets and X-ray emission.
This image shows the most common type of gamma - ray burst, thought to occur when a massive star collapses, forms a black hole, and blasts particle jets outward at nearly the speed of light.
Black holes gobble up some matter and launch the rest away in powerful jets, scattering atoms within and between galaxies; pairs of neutron stars, also targets of Advanced LIGO, may ultimately trigger gamma - ray bursts, among the brightest and most energetic explosions known in the universe.
Powerful radio jets from the supermassive black hole at the center of the galaxy are creating giant radio bubbles (blue) in the ionized gas surrounding the galaxy.
Its central black hole devours vast amounts of gas and spews out a huge jet of particles that extends far into intergalactic space.
The case isn't closed: the honeycomb could be the result of a high - speed jet from a black hole slamming into surrounding gas.
This result helps astronomers understand the workings of the cosmic «thermostat» that controls the launching of radio jets from the supermassive black hole.
The central galaxy in this cluster harbors a supermassive black hole that is in the process of devouring star - forming gas, which fuels a pair of powerful jets that erupt from the black hole in opposite directions into intergalactic space.
«To produce powerful jets, black holes must feed on the same material that the galaxy uses to make new stars,» said Michael McDonald, an astrophysicist at the Massachusetts Institute of Technology in Cambridge and coauthor on the paper.
Powerful radio jets from the black hole - which normally suppress star formation - are stimulating the production of cold gas in the galaxy's extended halo of hot gas.
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.
As matter plunges toward a new black hole, it heats up so violently that jets of gamma rays rifle into space.
Observations of the trio demonstrate that swirling jets can help astronomers find hidden black hole pairs.
As material in the disk falls toward the black hole, some of it forms dual jets that blast subatomic particles straight out of the disk in opposite directions at nearly the speed of light.
On a larger scale, many black holes fire out huge jets of energetic matter, powered by magnetic fields.
For example, spin may cause some black holes to fire off violent jets of matter.
That material forms a rapidly rotating disk around the neutron star or black hole, and hurls high - velocity jets of particles from the disk's poles.
A gamma ray burst is thought to emerge when jets of hot matter moving at near — light - speed shoot out along the rotational axis of the newborn black hole, beaming radiation into space like a lighthouse.
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.
We speculate that when the black hole was being rapidly force - fed by its companion orbiting star, it reacted violently by spewing out some of the material as a fast - moving jet.
Then, suddenly, a narrow jet of radiation, pointed right at us, erupted from the black hole at close to the speed of light.
The astronomers associated the red colour with fast - moving jets of matter that were ejected from close to the black hole.
New model connects the origins of very high - energy neutrinos, ultrahigh - energy cosmic rays, and high - energy gamma rays with black - hole jets embedded in their environments.
Around spinning black holes, however, frame dragging could be hugely important: By whipping magnetic field lines through the electrically charged gas around the holes, it could convert them into electromagnetic generators, which would explain how they spew jets of energetic particles millions of light - years into space.
A great mystery for scientists is that there's evidence of powerful jets of electrons and protons that shoot out of the top and bottom of some black holes.
The jets of gas are thought to be driven by the energy released when matter is sucked into a black hole at the centre of a galaxy.
One alternative is the galaxy's active nucleus, with radio emission coming from jets of material emitted from the region surrounding a supermassive black hole.
MHD simulations, the magnetism of electrically conducting fluids such as black hole jets, add a layer of understanding but are notoriously difficult for even the fastest supercomputers.
Half the star would fall into the black hole, but the other half would jet away at about half the speed of light.
Theorists now concur that massive stars must spew fantastic jets of energy into space when their cores collapse into black holes, but they disagree about what those jets look like.
Astronomer Fabrizio Nicastro of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, and his colleagues monitored the galaxy Markarian 421, which contains a «blazar» — an active black hole that aims powerful jets of energy toward Earth.
The positrons may be jetting from superhot gas falling into a giant black hole believed to inhabit the center of our galaxy.
A study at arXiv.org ventures that the Milky Way's black hole may have flared up one or two million years ago, sending off powerful jets of energetic particles.
Additionally, the jets» precession could explain fluctuations in the intensity of light coming from around black holes, called quasi-periodic oscillations (QPOs).
An important reason precessing jets were not discovered earlier is that 3 - D simulations of the region surrounding a rapidly spinning black hole require an enormous amount of computational power.
High - energy jets shooting from the black hole heat a halo of surrounding gas, controlling the rate at which the gas cools and falls into the galaxy.
The entire cycle is a self - regulating feedback mechanism, like the thermostat on a house's heating and cooling system, because the «puddle» of gas around the black hole provides the fuel that powers the jets.
Image from a simulation produced using the Blue Waters supercomputer demonstrates that relativistic jets follow along with the precession of the tilted accretion disk around the black hole.
«We know that these showers are linked to the jets because they're found in filaments and tendrils that wrap around the jets or hug the edges of giant bubbles that the jets have inflated,» said Tremblay, «And they end up making a swirling «puddle» of star - forming gas around the central black hole
Combining Hubble data with observations from a suite of ground - based and space telescopes, two independent teams found that that the black hole, jets, and newborn stars are all parts of a self - regulating cycle.
A light drizzle of cooling gas provides enough fuel for the central black hole's jets to keep the rest of the galaxy's gas hot.
a b c d e f g h i j k l m n o p q r s t u v w x y z