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ALMA peers inside the brightest known quasar

Finds a violently churning interstellar medium ready to spill over into space.

Invisible Structures Size of the Earth's Orbit Lurk in Milky Way's 'Atmosphere'

Astronomers got the first hints of mysterious objects 30 years ago when they saw radio waves from a bright, distant galaxy called a quasar varying wildly in strength. They figured out this behavior was the work of our Galaxy's invisible...

Ancient quasars in distant galaxies caught switching on suddenly

It should take at least thousands of years for the black holes at the centres of galaxies to become glowing quasars but a handful have blazed into life in less than 10

Ancient quasars in distant galaxies caught switching on suddenly

It should take at least thousands of years for the black holes at the centres of galaxies to become glowing quasars but a handful have blazed into life in less than 10

Queasy quasar: Turbulent galaxy upchucks its star-making material - CNET

The most luminous galaxy in the universe is a roilingly turbulent quasar in the process of ejecting all its star-forming gas.

How do you build a mirror for one of the world’s biggest telescopes?

3 weeks agoNews : The Raw Story

When astronomers point their telescopes up at the sky to see distant supernovae or quasars, they’re collecting light that’s traveled millions or even billions of light-years through space. Even huge and powerful energy sources in the cosmos are unimaginably tiny and faint when we view them from...

"350 Trillion Suns!" --ESO's ALMA Peers Inside Ancient Quasar: Brightest Galaxy in the Universe

The most luminous galaxy known in the Universe - the quasar W2246-0526, seen when the Universe was less than 10% of its current age - is so turbulent that it is in the process of ejecting its entire supply of...

The turbulent birth of a quasar

The most luminous galaxy known in the Universe - the quasar W2246-0526, seen when the Universe was less than 10% of its current age - is so turbulent that it is in the process of ejecting its entire supply of star-forming gas, according to new observations with the Atacama Large Millimeter/submillimeter Array (ALMA). read more

Extreme turbulence roiling 'most luminous galaxy' in the universe

The most luminous galaxy in the Universe - a so-called obscured quasar 12.4 billion light-years away - is so violently turbulent that it may eventually jettison its entire supply of star-forming gas, according to new observations with the Atacama Large Millimeter/submillimeter Array (ALMA). read more

Quiet quasar has apparently eaten its fill

Astronomers have announced that a distant quasar ran out of gas. Their conclusions clarify why quasar SDSS J1011+5442 changed so dramatically in the handful of years between observations.

Quiet quasar has apparently eaten its fill

Astronomers with the Sloan Digital Sky Survey (SDSS) announced that a distant quasar ran out of gas. Their conclusions, reported Jan. 8 at the American Astronomical Society meeting in Kissimmee, Florida, clarify why quasar SDSS J1011+5442 changed so dramatically in the handful of years between observations. read more

please said the quasars

humans. we have sent this message back through time through a wormhole. this is how we are know where you are there despite being 2.5 million light years distant. we cannot yet see you there. however, we know. be aware. we will be lighting a quasar in heart of our galaxy. Show More Summary

Solar-System-Size Object Detected Orbiting a Supermassive Black Hole Hidden Inside a Quasar

Spanish astrophysicists obtain precise measurements for an object orbiting a black hole five billion light-years away. This is like detecting the ridges of a one euro coin located 100,000 kilometers away. The Spanish interuniversity research group has obtained measurements for...

Quasar outburst revises understanding of universe, quasars

An outburst from a distant quasar known as PKS 1441+25 in April of this year gave astronomers at the gamma-ray telescope VERITAS an opportunity to measure the density of the optical 'fog' that lies between the quasar and Earth and to deduce the surprising separation of the high-energy emission from the black hole that drives it.

Ancient Quasar Beam Pierces Photon Fog of the Cosmos

"On April 20, 2015, we got word from the Fermi satellite and the MAGIC telescope observatory that they had spotted a very active source -- one that was getting very bright in gamma rays," said Manel Errando, PhD, research scientist....

Quasar outburst revises understanding of universe, quasars

"On April 20, 2015, we got word from the Fermi satellite and the MAGIC telescope observatory that they had spotted a very active source -- one that was getting very bright in gamma rays," said Manel Errando, PhD, research scientist in physics in Arts & Sciences at Washington University in St. Show More Summary

Look! A Quasar! … No, Wait – It’s a Fitbit!

Irony alert: radio astronomy organization hands out fitness devices that threaten interference to radio-telescope operation. Wrist-worn activity monitors like the Fitbit are good for radio astronomers. But not so good for radio astronomy. Show More Summary

Quasars are disappearing and astronomers aren’t sure why

Quasars are one of astronomy's most important tools -- so why do so many of them seem to be winking out of the sky?

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