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Black hole 'may be spinning space itself'


Posted on Saturday, 10 November, 2018 | Comment icon 28 comments

There is still much we don't know about black holes. Image Credit: NASA / Alain Riazuelo
Astronomers have detected a black hole that is spinning so rapidly that it may be causing space itself to rotate.
Observations of the black hole, which is situated in the binary star system 4U 1630-47, indicate that it has a mass ten times that of the Sun and is rotating at 90 percent of the speed of light.

It was first detected back in 2016 by India's AstroSat and NASA's Chandra X-Ray Observatory.
It is one of only five black holes to have accurately measured high spin rates.

"The scientific measurement of the spin rate of the black hole, an extremely exotic but the simplest object of the universe, comes out to be close to the maximum possible value," said principal investigator Sudip Bhattacharyya from the Tata Institute of Fundamental Research in India.

"This is generally very important to probe some extreme aspects of the universe, and the fundamental physics (for example, the theory of gravitation) related to them."

Source: AOL News | Comments (28)

Tags: Black Hole

Recent comments on this story
Comment icon #19 Posted by Rlyeh on 12 November, 2018, 12:47
Photons travel in straight lines but the space they are traveling through can be curved by gravity, that's why you get black holes and gravitational lensing. They're still traveling at c, in the case of black holes they just can't get out.
Comment icon #20 Posted by RoofGardener on 12 November, 2018, 13:12
How could a massless photon be deflected by gravity ? 
Comment icon #21 Posted by Rlyeh on 12 November, 2018, 13:14
Deflected? No, the space is curved so extreme once it enters the black hole it can't escape. The event horizon is where the escape velocity is the speed of light, past that light can't escape.
Comment icon #22 Posted by RoofGardener on 12 November, 2018, 13:52
Space is curved due to the gravitational field of the black hole.  The photon travels through this curved space.  Ergo the photon is effected by gravity.  Ergo the photon has mass ? 
Comment icon #23 Posted by NCC1701 on 12 November, 2018, 14:14
"rotating at 90 percent of the speed of light" I don't trust physicists who talk such utter nonsense.
Comment icon #24 Posted by paperdyer on 12 November, 2018, 18:53
Are you sure it hasn't?
Comment icon #25 Posted by paperdyer on 12 November, 2018, 18:54
And why is that nonsense.  Do you know something the scientists don't?
Comment icon #26 Posted by paperdyer on 12 November, 2018, 18:58
So basically the theory behind Star Trek's Warp Drive, folding Space in on itself to make travelling faster than light possible.
Comment icon #27 Posted by NCC1701 on 16 November, 2018, 4:03
Rotation is Rotation is another physical quantity  then velocity.
Comment icon #28 Posted by Waspie_Dwarf on 16 November, 2018, 8:51
I don't trust non-physicists who talk such utter nonsense.


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