News tagged with black holes

Hubble sees a galaxy with a glowing heart

(Phys.org) —This view, captured by the NASA/ESA Hubble Space Telescope, shows a nearby spiral galaxy known as NGC 1433. At about 32 million light-years from Earth, it is a type of very active galaxy known ...

Jul 14, 2014
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Dating our galaxy's dormant volcano

(Phys.org) —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.

Sep 23, 2013
4.7 / 5 (24) 5 | with audio podcast

Existence of a group of 'quiet' quasars confirmed

Aeons ago, the universe was different: mergers of galaxies were common and gigantic black holes with masses equivalent to billions of times that of the Sun formed in their nuclei. As they captured the surrounding ...

Oct 29, 2014
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A new 'fast and furious' black hole

A black hole with extremely powerful jets has been found in the nearby galaxy Messier 83 (M83) by a team of Australian and American researchers, as we report in the journal Science today. ...

Feb 28, 2014
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Finding hints of gravitational waves in the stars

Scientists have shown how gravitational waves—invisible ripples in the fabric of space and time that propagate through the universe—might be "seen" by looking at the stars. The new model proposes that ...

Sep 22, 2014
4.8 / 5 (24) 15

Black holes don't make a big splash

(Phys.org) —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 ...

Nov 07, 2013
4.5 / 5 (19) 19 | with audio podcast

Image: Hubble views the whirling disk of NGC 4526

This neat little galaxy is known as NGC 4526. Its dark lanes of dust and bright diffuse glow make the galaxy appear to hang like a halo in the emptiness of space in this image from the NASA/ESA Hubble Space ...

Oct 30, 2014
5 / 5 (10) 0