News tagged with supermassive black holes

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Image: Hot gas sloshing in a galactic cauldron

( —Galaxies are social beasts that are mostly found in groups or clusters – large assemblies of galaxies that are permeated by even larger amounts of diffuse gas. With temperatures of 10 million degrees or more, ...

dateNov 19, 2013 in Astronomy
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New type of black-hole quasar discovered

( —Like our Milky Way, every known large galaxy has at its center a supermassive black hole, some of which are surrounded by a super-bright disk of hot gas called a quasar—but now a research team that includes ...

dateNov 08, 2013 in Astronomy
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Black holes don't make a big splash

( —Throughout our universe, tucked inside galaxies far, far away, giant black holes are pairing up and merging. As the massive bodies dance around each other in close embraces, they send out gravitational waves ...

dateNov 07, 2013 in Astronomy
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ALMA probes mysteries of jets from giant black holes

Two international teams of astronomers have used the power of the Atacama Large Millimeter/submillimeter Array to focus on jets from the huge black holes at the centers of galaxies and observe how they affect their surroundings. ...

dateOct 16, 2013 in Astronomy
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Runaway binary stars

CfA astronomers made a remarkable and fortuitous discovery in 2005: an extremely fast moving star, clocked going over three million kilometers an hour. It appears to have been ejected from the vicinity of the galactic center's ...

dateOct 07, 2013 in Astronomy
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Galaxy winds

( —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) is emitted at infrared ...

dateSep 23, 2013 in Astronomy
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Dating our galaxy's dormant volcano

( —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

dateSep 23, 2013 in Astronomy
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NuSTAR delivers the X-ray goods

( —NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, is giving the wider astronomical community a first look at its unique X-ray images of the cosmos. The first batch of data from the black-hole hunting ...

dateSep 03, 2013 in Astronomy
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