Sentences with phrase «bright quasar»

«We know that the formation of these supermassive black holes has to be very rapid because we can see very bright quasars very soon after the Big Bang, not much later than the epoch of the first star formation.»

It also seems to be a key time for the growth of black holes, because we see at that time a peak in the number of bright quasars where these growing black holes reside.

The first stars lit up a few - hundred - million - years - long «Dark Age» with spectacular intensity, leading to the rapid creation of heavy elements and black holes that coalesced to form bright quasars (more).

New radio images of galaxies with bright quasar cores show that, though the galaxies appear normal in visible - light images, their gas has been disrupted by encounters with other galaxies.

«Very bright quasars such as the 63 discovered in this study are the best tools for helping us probe the early universe.

Schmidt has worked on quasars ever since demonstrating in 1963 that the peculiarities of the visible light spectrum of particularly bright quasar 3C273 were caused by a massive red shift.

Looking back in time at the distant universe, these supermassive black holes appear as very bright quasars.

Now astronomers think the best explanation is that Voorwerp got its energy from light that was once emitted by a bright quasar.

Furthermore, since they did not find many galaxies near the brightest quasars, that could mean that hard radiation from a quasar suppresses galaxy formation in its vicinity.

Cicone's observations allowed the second team of researchers specialising in supercomputer simulations to develop a detailed theoretical model of the outflowing gas around a bright quasar.

The images revealed a bright quasar, the energetic signature of a black hole, residing far from the galactic core.

Scientists have discovered the brightest quasar in the early universe, powered by the most massive black hole yet known at that time.

«The brightest quasars, probably hosting the most massive black holes, don't necessarily have to live in the densest regions of the universe,» she said.

In a paper in the journal Nature, researchers report the discovery of the brightest quasar in the early universe, powered by the most massive black hole yet known at that time.

The spectra of the fuzzy patches around the bright quasar shows that the light from the fuzz is from stars.

To have assembled such a huge mass so quickly, the bright quasars discovered in the early Universe are thought to have resided in regions that had a particularly high density of matter.

The scientists used the National Science Foundation's Very Long Baseline Array (VLBA), a continent - wide radio - telescope system, along with the 100 - meter radio telescope in Effelsberg, Germany, to make an extremely precise observation when the planet Jupiter passed nearly in front of a bright quasar on September 8, 2002.

Analysis of data collected by the Hubble and Chandra space telescopes and the Sloan Digital Sky Survey showed a bright quasar located far from its galaxy's core.

This deep image shows the nebula (cyan) extending across 2 million light - years that was discovered around the bright quasar UM287 (at the center of the image).

The galaxy hosts a bright quasar that may have illuminated the ghostly structure by hitting it with a beam of light from hot gas around a central black hole.