quasars


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quasars

Short for “quasi-stellar radio sources,” these are very remote but extremely bright objects, thought to be at the hearts of galaxies existing on the fringes of the universe. The first of more than 600 was discovered in 1963.
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This new result suggests that some quasars are even more adept at devouring material than scientists previously knew.
Quasars are believed to be the brightest and most energetic objects in the universe.
The odd-ball heavenly objects called quasars may be much closer to the earth's own Milky Way galaxy than astronomers have thought.
The researcher said that they used the Doppler shift for light to tell whether the gas in these quasars is moving away from Earth or toward these distant black holes, which have a mass from millions to billions of times that of the Sun.
Quasars are quasi-stellar objects, from which light is extremely shifted toward the red [1-5].
We think there are only about 100 bright quasars with redshift higher than 7 over the whole sky," concludes Daniel Mortlock, the leading author of the paper.
We have found what are likely first-generation quasars, born in a dust-free medium and at the earliest stages of evolution," declares Linhua Jiang, research associate at the University of Arizona's Steward Observatory, Tucson.
The Baby Quasars are widely acclaimed as the first professional devices made available to home users.
Quasars are intense concentrations of energy believed to be generated by gas and dust swirling around massive black holes.
Quasars, the most brilliant of cosmic fireworks, appear to shine forth from humdrum galaxies in the early universe and not the giant ones astronomers expected.
Scientists taking part in an international research project have identified two quasars as the most distant objects ever observed, according to results presented by Sloan Digital Sky Survey (SDSS) scientists to the American Astronomical Society.
Quasars are bright emitters of light and radio waves.