Sentences with phrase «a giant black hole»

I hate asking for money, but I've learned the hard way that events that don't pay me for my work tend to turn into giant black holes that suck my time and energy away.

Considering we are seeing this giant black hole's activity from a time when the universe was only a tenth of its present age, astronomers are puzzled about how it could've grown so big so fast.

Today, astronomers know that virtually every galaxy harbors a giant black hole at its center, shaping the formation of millions of stars and even neighboring galaxies with its immense gravitational influence.

Tom Theuns and Liang Gao, astronomers at Durham University in England, used a computer model last year to study how two types of dark matter, known as warm and cold, may have influenced the formation of the very first stars in the universe — and the first giant black holes.

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).

There, young stars, born during the merger, will explode as supernovas, and a quasar — a giant black hole ignited by the galactic collision — might spew energetic radiation.

This only ended when ultraviolet light from the first stars and giant black holes had once again ionised the fog of neutral atoms filling the universe.

About 12 billion years ago, the gas warmed from 8000 to 15,000 kelvin, probably due to heating from quasars, objects powered by giant black holes, the team will report in Monthly Notices of the Royal Astronomical Society.

Galaxies and the giant black holes at their hubs fit together as if they were made for one another.

Ray Tracing: Energetic cosmic rays linked to giant black holes.

Such «dark matter stars» could have been huge and, when their power source was exhausted, might have collapsed to form giant black holes.

This should allow users to calculate distances to some of the Universe's most remote objects, such as quasars, the luminous cores of distant galaxies containing giant black holes.

A giant black hole ripped apart a nearby star and then continued to feed off its remains for close to a decade, according to research led by the University of New Hampshire.

The three linked stars were strolling through the Milky Way but got too close to the giant black hole at the center.

Most curiously, each giant black hole appears to contain exactly 0.2 % of the mass of its galaxy's bulge of stars.

Astronomer Karl Gebhardt of the University of California, Santa Cruz, and an international team used the Hubble Space Telescope to chart the orbital motions of stars within galaxies containing giant black holes, including eight newly identified ones.

No Middle Ground Astronomers know of the giant black holes at galactic cores and the comparatively lightweight versions that form when stars collapse.

The positrons may be jetting from superhot gas falling into a giant black hole believed to inhabit the center of our galaxy.

However, two theoretical physicists from the University of Barcelona (Spain) have demonstrated that what occurs on the space - time boundary of the two merging objects can be explained using simple equations, at least when a giant black hole collides with a tiny black hole.

During its five - year primary mission, NASA's Fermi Gamma - ray Space Telescope has given astronomers an increasingly detailed portrait of the universe's most extraordinary phenomena, from giant black holes in the hearts of distant galaxies to thunderstorms on Earth.

Three years ago, a University of Utah - led team discovered that an ultra-compact dwarf galaxy contained a supermassive black hole, then the smallest known galaxy to harbor such a giant black hole.

a) A tangled ball of cosmic string b) A being that appears to be made out of pure energy, captain c) A bubble of space that inflated out of sync with the rest of the universe d) A giant black hole whose gravity red - shifts light from that direction

Hubble's infrared camera enabled Freudling, an astronomer with the European Southern Observatory in Garching, Germany, to analyze the elements in three quasars — clouds of hot gas swirling into giant black holes — that were up to 12.8 billion years old.

The giant black hole in the middle of our galaxy stays pretty quiet most of the time, flaring up only occasionally.

He is a specialist on active galactic nuclei, superbright galactic cores thought to be caused by giant black holes sucking in and heating up quantities of gas and dust.

A giant black hole in a galaxy a billion light years away has been caught in the act of butchering a star — the first time this has been seen, astronomers announced this week.

Last year, at the center of a galaxy far, far away, astronomers watched a star send out a distress flare when a giant black hole tore it to shreds (artist's conception shown).

LONG BEACH, CALIF. — One of the oddities of the universe revealed over the past decade is that galaxies and the giant black holes at their hubs fit together as if they were made for each other.

It would gradually become darker, colder, and emptier as the scant remaining matter decays or gets sucked up by the giant black holes at the core of every galaxy.

In today's universe, giant black holes are never naked — they're always cloaked by the bright starry centers of galaxies.

Gas surrounds a giant black hole in the early universe in this radio image, but astronomers see little evidence for a massive galaxy of stars.

Black holes and their host galaxies have a tight relationship: Regardless of their size, the central swarms of stars in galaxies are always about 500 times more massive than the giant black holes they contain (ScienceNOW, 5 June 2000).

These tyrants are giant black holes, so heavy that they are called «supermassive» by astronomers.

Researchers report that this is the most distant giant black hole ever detected, and at this distance, our Universe was only about 5 % of its current age, or about 690 million years after the Big Bang.

The new image reveals that one giant black hole may indeed have gotten a jump - start.

A giant black hole has been caught with its hand in the proverbial cookie jar, in the earliest stages of ripping apart and consuming a star.

Something has to slow the two giant black holes down, or they will just keep distantly orbiting the centre of the galaxy.

It may be because most of them harbor giant black holes at their centers.

As Andrew Fabian of the University of Cambridge discussed in another presentation at the meeting, the formation of a giant black hole should release enough gravitational energy to blast the entire galaxy apart.

A giant black hole is a formidable beast, surely able to bend the surrounding swarm of stars to its will.

Yet even a giant black hole is still fairly small by the standards of a galaxy, so the galaxy should pay little heed to the monster within.

In their model, a doughnut - shaped cloud of electrically charged gas surrounds a giant black hole at a galaxy's center.

Galactic magnetic fields, they suggest, are produced by a ring of electrically charged gas rotating around a giant black hole at the center of a galaxy.

Giant black holes are always hungry, but they're also patient.

Astronomers using NASA's Chandra X-ray Observatory have taken a major step in explaining why material around the giant black hole at the center of the Milky Way Galaxy is extraordinarily faint in X-rays.

«NASA's Chandra Observatory catches giant black hole rejecting material.»

The data, collected with Keck Observatory's newest instrument called MOSFIRE, revealed a giant black hole in a galaxy called CID - 947 that was 11 billion light years away.

Other astronomers have theorized that giant black holes in the heart of the galaxies blew strong winds that expelled the gas.

Giant black holes are famous for their appetites, but these matter - munching monsters are even greedier than scientists had thought.

STARS plunging into the giant black hole at the centre of our galaxy can explain two huge bubbles of gamma rays that NASA's Fermi space telescope discovered last year.