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Supermassive Black Holes Control Star Formation In Large Galaxies（图）
Supermassive Black Holes Control Star Formation Large Galaxies
2018/1/10
Young galaxies blaze with bright new stars forming at a rapid rate, but star formation eventually shuts down as a galaxy evolves. A new study, published January 1, 2018, in Nature, shows that the mass...
Black holes are famous for their muscle: an intense gravitational pull known to gobble up entire stars and launch streams of matter into space at almost the speed of light.It turns out the reality may...
RIT study suggests dying stars give newborn black holes a swift kick
RIT study dying stars newborn black holes swift kick
2017/7/21
New information gleaned from gravitational wave observations is helping scientists understand what happens when massive stars die and transform into black holes.
Rochester Institute of Technology res...
Peering into Black Holes Using an Earth-sized Telescope
Peering Black Holes Earth-sized Telescope
2017/4/27
Turning the Earth into one giant telescope by coordinating observations from instruments arrayed around the world, teams of radio astronomers are aiming their telescopes for the next 10 days at the th...
The interior structure of astronomically realistic rotating black holes 3. Charged black holesThe interior structure of astronomically realistic rotating black holes 3. Charged black holes
The interior structure black holes
2011/1/13
This paper extends to the case of charged rotating black holes the conformally stationary, axisymmetric, separable solutions presented for uncharged rotating black holes in a companion paper. In the p...
The interior structure of astronomically realistic rotating black holes 1. Motivation and summary
The interior structure black holes
2011/1/13
This paper motivates, summarizes, and discusses a new set of exact solutions for the interior structure of accreting, rotating black holes. The solutions are conformally stationary, axisymmetric, and...
Black holes in an ultraviolet complete quantum gravity
Black holes ultraviolet complete quantum gravity
2011/1/13
In this Letter we derive the gravity field equations by varying the action for an ultraviolet complete quantum gravity. Then we consider the case of a static source term and we determine an exact bla...
Electromagnetic extraction of energy from merging black holes
Electromagnetic extraction merging black holes
2011/1/13
We calculate the evolution of the prompt intrinsic Poynting power generated by merging black holes. Orbiting black holes induce rotation of the space-time. In a presence of magnetic field supported by...
Mechanism for the Suppression of Intermediate-Mass Black Holes
the Suppression Intermediate-Mass Black Holes
2011/1/11
A model for the formation of supermassive primordial black holes in galactic nuclei with the simultaneous suppression of the formation of intermediate-mass black holes is presented. A bimodal mass fun...
Standing Shocks around Black Holes and Estimation of Outflow Rates Santabrata Das & S. K.
accretion disk black hole physics outflows
2009/5/19
We self-consistently obtain shock locations in an accretion
flow by using an analytical method. One can obtain the spectral properties,
quasi-periodic oscillation frequencies and the outflowrates wh...