Sentences with phrase «by a black hole»

Each was powered by a black hole weighing from 1 million to 100 billion times the mass of the sun.

And as we might expect, some unlucky stars get swallowed 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.

To be torn apart by a black hole... well.

WE HAVE spotted what seems to be a star being torn up and eaten by a black hole more than 1 billion light years away.

He considered the radiation released by black holes after they form.

• The particle that is captured by the black hole has negative energy.

What happens to the information in matter destroyed by a black hole?

Sometimes thought leads nowhere, as in considerations of what happens to information absorbed by a black hole.

So far the leading candidates are the merger of two neutron stars and the swallowing of a neutron star by a black hole.

As it travels inward, and is ingested by the black hole, the material heats up to millions of degrees and generates a distinct X-ray flare.

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

The heat generated by the black hole then heats up the gas again and pushes it outward to restart the whole process.

Some unlucky ones may happen to pass too close to the central black hole, where they are destroyed and eventually swallowed by the black hole.

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

This artists impression shows a black hole consuming a star that has been torn apart by the black hole's strong gravity.

In 2005, researchers at the MAGIC gamma - ray telescope on La Palma in the Canary Islands were studying gamma - ray bursts emitted by the black hole in the centre of the Markarian 501 galaxy, half a billion light years away.

HAWC can also pick up gamma rays from other galaxies, perhaps caused by black holes at their centres.

The Fermi bubbles could be powered by the black hole at the center of our galaxy.

Their simulated signal independently verified the observed waveform produced by the black hole merger and helped confirm Einstein's general theory of relativity.

And the reason you can get energy out of a black hole, that swallower of all things, is that the energy you detect never really got into the black hole to begin with — it's associated with the space - time whirlpool created outside the event horizon by the black hole's rotation.

-- From Death by Black Hole

Merging protogalaxies sent out shockwaves that compressed dense clumps of gas, helping trigger widespread star birth even in regions previously dominated by black hole radiation.

Scientists announced February 11 that they have detected the ripples in spacetime caused by a black hole merger, regardless of whether you call those ripples «gravitational waves» or «gravity waves.»

«At the very centre of the galaxy, the filaments loop and curl inwards in an intriguing spiral shape, swirling around the supermassive black hole at such a distance that they are dragged into and eventually consumed by the black hole itself,» NASA and the ESA explained in a statement accompanying the image.

Known as a quasar, this type of galaxy lit up the early universe, and their extreme activity was driven by the black hole dynamos in their cores.

It's hoped the kilometre - scale microphones will detect gravitational waves created by black holes, and shed light on the origins of the Universe.

Powered by a black hole of 2 billion solar masses, the quasar appears as it did 12.9 billion years ago, when the universe as humans know it was just beginning to emerge from the Big Bang.

«You'd have to stare at one galaxy for roughly 10,000 to 100,000 years to see a star getting disrupted by the black hole at the center,» Pasham says.

Edelmann's group speculated that it could instead have been booted out of the Large Magellanic Cloud by a black hole there, although they did not have detailed calculations to back this idea up.

It's as if the addicted person's ability to love is being devoured by a black hole in the psyche.

This will allow us to determine the deformation of space and time caused by a black hole with extreme precision.

The gravitational waveform produced by the black holes as they spiralled towards each other and finally merged would have lasted for many millions, perhaps even billions of years.

To be visible at such incredible distances, these quasars must be fueled by black holes containing about a billion times the mass of the sun.

On September 14 at 4:50 a.m. Eastern time, the gravity waves emitted by the black holes during their last fractions of a second of independence encountered the two L - shaped LIGO detectors.

Microlensing by a black hole should slightly slow the pulses, she reports.

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

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.

Since then, its discoveries have starred in ScienceNOW stories about gamma ray bursts at the fringes of the galaxy (24 April 1998), gamma ray bursts possibly spawned by black holes (15 June 1998), and gamma ray bursts that appear to lack gamma rays (20 October 1999), among others.

But what should be a monsoon of raining gas is reduced to a mere drizzle by the black hole.

When crunched and heated by the black hole's gravitational energy, these disks glow in x-ray light.

Within this fragmenting disk, compression spurred on by the black hole appeared to generate temperatures high enough to sustain the formation of very massive stars.

But the high - energy radiation from the source has shown no sign of dying down, which suggests that astronomers may have caught a star in the process of being ripped to shreds by a black hole.

A disk of gas and dust drawn in by the black hole pours x-rays and ultraviolet radiation outward, where they strike a cooler layer of material, the torus, making it glow in the infrared.

That fits with the black - hole - blast explanation, because such encounters tend to shake loose gas clouds that then stray into intergalactic space — providing targets to be illuminated by black hole X-rays.

A speeding star may have been flung away by a black hole lurking unnoticed in a nearby galaxy, new research suggests.

Excess material that normally explodes outwards to create a supernova when a neutron star is born «ends up being sucked in by the black hole instead of being ejected,» he suggests.

Newly discovered hot dust - obscured galaxies, or hot DOGs, could help explain how a galaxy's evolution is influenced by the black hole at its core.

Observations of the shock between this pair of clusters showed that the radio emission was connected to the galaxy's jet, so clearly the electrons must have been initially accelerated by the black hole and then reaccelerated by the shock waves.