quasar

The research is expected to help nail down estimates of even bigger black holes associated with ancient distant galaxies known as quasars.

STIS can see in ultraviolet, visible and near-infrared and has been used to examine black holes, quasars and planets.

Did you know there's a black hole in the center of our galaxy? No Time Dilation for Distant Quasars? Galactic Monster Mystery Solved.

The discovery suggests that quasars created at least some galaxies, and perhaps not the other way around.

The supermassive black holes that are still active, however, do not exhibit the same behavioral patterns as the distant quasars.

Their colleagues might be happy probing to the edge of the cosmos looking for exotic things like black holes and quasars and dark matter.

The name comes from the fact that the first quasars identified emit mostly radio energy and look much like stars.

They are rare, accounting for roughly one out of every 500 observed quasars .

But a crucial part of the puzzle remains unsolved: How did the universe form monster quasars so early in its history?

Quasars are so far away that they constitute the best frame of reference for measuring Earth's rotation rate.

But the relative abundance of quasars in the first billion years of the universe has puzzled astrophysicists.

The new observations revealed hidden quasars in every one of the galaxies, the team reports online today in Science.

Dr Webb first conducted such a study almost a decade ago, using 76 quasars observed with the Keck telescope in Hawaii.

To do this, it will examine what happens to the beams coming from faint, distant quasars as they pass through the cosmic web.

The main results of the observation of quasars are shown as continuous spectrum, absorption line spectrum and emission line spectrum.

The blue and yellow areas around the "butterfly wings" are quasars on the outer edges of observable space.

They behave as scaled-down versions of much more massive black holes that are at the cores of extremely active galaxies, called quasars.

To do this, it will look at what happens to the light coming from faint, distant quasars as it passes through the web.

The quasars are so bright that they probably are consuming their energy resources at a very rapid rate.

How can an uneducated man praise God for the wonders of crystallization or capillary attraction or metamorphosis or quasars or stalactites?

Astronomers using Hubble tracked down the 'homes' of quasars, proving that these dynamos reside in the centers of galaxies.

Energy is injected into space by quasars in the form of fast, nonrelativistic particles.

The new observations also suggest that quasars were more common in the early universe than previously thought.

Quasars are the very active centers of galaxies though to surround the central supermassive black hole.

And unlike the super-bright but brief light emitted by the explosive deaths of giant stars, called supernovae, quasars shine for eons.

Some stellar-mass black holes launch powerful jets of particles and radiation, like seen in quasars, and are called "micro-quasars" .

Nor could stellar slam dancing explain the narrow jets that emanate from the central power houses of many quasars.

Quasars, however, shine brightly and more or less steadily, and the nature of that ancient beacon can tell an important tale.

A decade ago, Webb used observations from the Keck telescope in Hawaii to analyse the light from distant galaxies called quasars.

Quasars are objects that appear stellar or almost stellar, but their enormous redshifts identify them as objects at very large distances.

Astronormers discovered quasars-- extremely bright beacons billions of light-years away.

It means that there isn't much room for other mechanisms to produce obscured quasars.

Only about the size of our solar system, quasars easily outshine entire galaxies and can burn for 100 million years.

It has measured the precise distance to a million galaxies and has discovered about 500, 000 quasars.

Other speculations include the hypothesis that quasars are actually white holes instead of supermassive black holes.

Larson figures this scenario for black hole feeding probably applies to the most distant quasars, too.

Just last week, the first possible direct evidence was announced for dark matter halos around early quasars.

And you can take it for granted that they've heard of stars and galaxies, but not necessarily of star clusters or quasars.

After about 500 million years, the ionized helium in the quasars cooled and slowed enough that dwarf galaxies could begin bulking up again.

Other indications of mega-mergers come from relatively nearby quasars.

Quasars originally meant quasi- stellar object .

Some speculation exists that quasars are actually white holes instead of supermassive black holes.

This paper presents a novel method for redshift determination of quasars .

That may explain why some quasars are surrounded by galaxies: the galaxy didn't form the quasar; rather the quasar pulled in the galaxy.

The light in question comes not from individual stars but from quasars.

Quasars are powered by black holes weighing more than a billion suns.

With Hubble's help, Shull and his team detected a specific wavelength of UV light emitted from distant quasars about 11 billion years ago.

An unusual class of objects, ULXs emit more X-rays thanstars, but less than quasars.

Astronomers discovered quasars, short for quasi-stellar objects, in the 1950s.

But though it is looking at the quasars, it is studying the Earth.

Astronomy first entered the constants story soon after the discovery of quasars in 1965. The idea was simple.

In 1997 Webb's team at the University of New South Wales in Sydney analysed the light reaching Earth from distant quasars.

Quasars Hypothesis of Energy Redshift and Its Possible Tests

Gravitational Radiation from Quasars with Two Supermassive Black Holes

A Study of Absorption Redshifts of Quasars

Such holes power quasars and other types of active galaxies, which are rare in the modern universe;

Automated Recognition of Quasars Based on Adaptive Radial Basis Function Neural Networks

RELATED TOPICS Black Hole Galaxies Quasars

A Method for Obtaining Redshifts of Quasars Based on Wavelet Multi-Scaling Feature Matching

A Method for Redshift Determination of Quasars Based on Cross Correlation