Sentences with phrase «with bright quasar»

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.

Not exact matches

And starting with seeds in this range alleviates the timing problem for the production of the supermassive black holes that power the brightest, most distant quasars.
But the realization that quasars were really out at the edge of the observable universe, and thus must be far brighter than the brightest galaxy, posed a riddle that nobody has yet been able to answer with certainty: What are they?
Shining with the equivalent of 420 trillion suns, the new quasar is seven times brighter than the most distant quasar known (which is 13 billion years away).
«We didn't expect a signal that bright, so we came up with the name QUASR, inspired by quasars, the extremely luminous celestial objects that can be a trillion times brighter than the sun,» Meagher said.
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.
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).
Subsequently, however, an even more distant quasar with a tentative redshift of z = 6.40 was announced on January 9, 2003, near the SDSS detection limit of a redshift of z ~ 6.5 for bright quasars, and other teams of astronomers detected even more distant, fast - star - forming irregular proto - galaxies, including: gravitationally - lensed HCM 6A behind galaxy cluster Abell 370 with a redshift of z ~ 6.56, which appears to be converting about 40 Solar - masses into stars annually; (PhysicsWeb; IFA press release; Hu et al, 2002, in pdf; and erratum); and the possible «superwind - galaxy» LAE J1044 - 0130 (Subaru press release; and Ajiki et al, 2002, in pdf).
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.
But we haven't fully connected our theories to what we observe, especially with quasars, these incredibly bright centers of very distant galaxies that serve as beacons of the early universe.
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