Sentences with phrase «emitted by the black hole»

In the 1970s Hawking introduced the concept of Hawking radiation — photons emitted by black holes due to quantum fluctuations.

The Unruh effect is closely related to Hawking radiation, extremely faint radiation emitted by a black hole at a temperature determined by its mass.

The jets emitted by black holes are easier to study than the black holes themselves because the jets are so large.

The most advanced civilizations will be reduced to huddling around the last flickering embers of energy — the faint Hawking radiation emitted by black holes.

This was revealed through a key aspect of the simulation called radiative feedback, which accounted for the way X-rays emitted by the black hole affected distant gas.

Gravity waves, emitted by black holes that collided far away and in the distant past, are now reaching Earth.29 From their beginning, they orbited their mutual center of gravity, each sending out — at the speed of light — one gravity wave per orbit.

The paper outlines how interactions between particles emitted by a black hole can reveal information about what lies within, such as characteristics of the object that formed the black hole to begin with, and characteristics of the matter and energy drawn inside.

Hawking further concluded that the particles emitted by a black hole would provide no clues about what lay inside, meaning that any information held within a black hole would be completely lost once the entity evaporated.

Not exact matches

It was not until the detection of quasars, which allow astronomers to see the light emitted by matter falling into black holes, that we had evidence that they were real objects and not just mathematical curiosities predicted by Einstein's general theory of relativity.

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 MIT - led team looked through data collected by two different telescopes and identified a curious pattern in the energy emitted by the flare: As the obliterated star's dust fell into the black hole, the researchers observed small fluctuations in the optical and ultraviolet (UV) bands of the electromagnetic spectrum.

Astronomers studying distant galaxies powered by monster black holes have uncovered an unexpected link between two very different wavelengths of the light they emit, the mid-infrared and gamma rays.

Using similar techniques originally inspired by string theory, Strominger's group has computed the spectrum of gravitational waves emitted when compact objects like stars fall into giant black holes — predictions that could be verified by the future Evolved Laser Interferometer Space Antenna, planned to launch in two decades (or maybe sooner).

Based on the wavelengths of spectral lines emitted by the luminous gas surrounding the black hole, the object is traveling at a speed of about 7.5 million kilometers per hour — a rate that would carry it from Earth to the moon in about 3 minutes.

Nanohertz gravitational waves are emitted from pairs of supermassive black holes orbiting each other, each of which contain millions or a billion times more mass than those detected by LIGO.

That would be big enough to see gravitational waves emitted by any merging supermassive black holes that may have existed around the time when the universe's first stars began to shine, about a hundred million years after the big bang.

This quashes hopes of finding low - frequency gravitational waves emitted by pairs of dense stars, or stars captured by supermassive black holes.

While no one can see a black hole by definition, an X-ray telescope can see the orbiting material around that black hole, which is so hot it emits high - energy radiation.

A year ago, LIGO confirmed a prediction made by Albert Einstein a century earlier: that violent cosmic events, like the merger of two black holes, would wrench the fabric of spacetime and emit ripples.

And just like a genuine black hole event horizon, the artificial one created by the light pulse can emit radiation.

By taking the change in the black hole's spin, and her half of the Hawking radiation that is emitted after she drops the qubit, Alice can use the rules of quantum teleportation to work out the spin of the qubit she dropped into the black hole — and hence retrieve information from beyond the black hole's event horizon.

Eatough's team realised that the strong bursts of radio waves emitted by the pulsar would be rotated by the black hole's magnetic field, and so could be used to measure the strength of the field.

The glow came from radiation emitted by an actively feeding black hole in the galaxy.

Star stuff shed by HDE226868 spirals inexorably into the black hole at such high speeds that it emits final X-ray yelps as if in protest.

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.

That dip was caused by blobs of hot plasma emitted by the galaxy's black hole, which were magnified by a cluster of stars acting as a cosmic lens between Earth and the galaxy, researchers suggest.

But after the black hole settles down, Bluck says, conditions would be far more hospitable; no new stars would form and disrupt the galactic neighborhood by churning up gas and dust and emitting their own radiation.

Now, Readhead and his colleagues argue that they're seeing the blazar's black hole emit tiny burps of plasma, magnified hundreds of times by a new kind of gravitational lens.

So thirsty are theorists for new insights into black holes and relativistic processes that, with each LIGO detection, observational astronomers have leapt into action to target those enormous patches of sky, hoping to see some afterglow or other emission of electromagnetic radiation — even though by definition the resulting larger black hole should emit no light.

The disk heats up due to the enormous gravitational pull by the black hole and emits intense radiation.

If a star seems to disappear, the team will try to confirm the formation of a black hole by looking for X-rays emitted by stray bits of matter falling into the black hole, Kochanek says.

In some active galactic nuclei, you have a black hole and accretion disk and the majority of the power is associated with these outflowing jets, far more than is associated with the radiant energy that is emitted by the accretion disk and the hot gas surrounding it.

By comparing differences in the X-ray spectra between Type I and Type II galaxies, the researchers concluded that, regardless of which way the galaxy faces Earth, the central black holes in Type I galaxies consume matter and emit energy much faster compared with the black holes at the center of Type II galaxies.

In the early universe, when gas was abundant, a handful of voracious black holes grew to become extremely massive by swallowing it up, emitting immense amounts of energy.

That was consistent with a quasar, but dust blocked the definitive quasar signature of spectral lines emitted by gas near the black hole.

Because it takes time for the X-rays to reach the cloud, some of them were still arriving and making it glow when it emitted the light Van Arkel saw, even though the black hole was by then quiet.

In the 1970s he proved that black holes lose mass by emitting radiation and eventually evaporate altogether.

In the new study, Charles Hailey, an astrophysicist at Columbia University, and his colleagues scrutinized the past dozen years of data gathered by the Chandra X-ray Observatory, an orbiting craft whose instruments are designed to detect high - energy radiation emitted by the immensely hot material surrounding exploded stars and near black holes.

This quantum thermometer could be used to test whether black holes emit small amounts of radiation, as predicted by quantum theory.

It is a Seyfert galaxy that is dominated by something known as an Active Galactic Nucleus — its core is thought to contain a supermassive black hole that is emitting huge amounts of radiation, pouring energetic X-rays out into the universe.

The radio wave signals emitted by e.g. the hot plasma surrounding the black hole are recorded separately at the individual telescopes.

The top candidates, the astronomers suggested, are a neutron star, possibly a highly - magnetic magnetar, surrounded by either material ejected by a supernova explosion or material ejected by a resulting pulsar, or an active nucleus in the galaxy, with radio emission coming from jets of material emitted from the region surrounding a supermassive black hole.

The existence of black holes can be proven because matter is greatly accelerated by the gravitational force and thus emits particularly high - energy radiation.»

Most X-rays are emitted by pockets of hot gases found between galaxies and near black holes.

But today it seems like black holes - given how much energy they emit - can actually be important for modulating galaxy assembly, by regulating star formation and generating hot gas reservoirs.