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LIGO-Virgo finds mystery object in gap between neutron stars and black holes（图）
LIGO-Virgo mystery object gap between neutro holes
2020/7/3
When the most massive stars die, they collapse under their own gravity and leave behind black holes. When stars that are a bit less massive die, they explode in supernovas and leave behind dense, dead...
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...
Earlier this year, astronomers discovered what appeared to be a pair of supermassive black holes circling toward a collision so powerful it would send a burst of gravitational waves surging through th...
Neutron Stars Strike Back at Black Holes in Jet Contest
Neutron Stars Strike Back Black Holes Jet Contest
2015/8/13
Some neutron stars may rival black holes in their ability to accelerate powerful jets of material to nearly the speed of light, astronomers using the Karl G. Jansky Very Large Array (VLA) have discove...
Planet-sized 'virtual telescope' expands to the South Pole to observe black holes in detail
Planet-sized virtual telescope South Pole to observe black holes
2015/4/29
B-roll of the South Pole Telescope is available from NSF's Dena Headlee, dheadlee@nsf.gov / (703) 292-7739.Astronomers building a globe-spanning virtual telescope capable of photographing the "event h...
Flip-flopping black holes spin to the end of the dance
Flip-flopping black holes spin end of the dance
2015/4/13
When black holes tango, one massive partner spins head over heels (or in this case heels over head) until the merger is complete, said researchers at Rochester Institute of Technology in a paper publi...
Black holes don’t erase information, scientists say（图）
Black holes don’t erase information scientists say
2015/4/13
Shred a document, and you can piece it back together. Burn a book, and you could theoretically do the same. But send information into a black hole, and it’s lost forever.That’s what some physicists ha...
Unification models with reheating via Primordial Black Holes
Unification models reheating via Primordial Black Holes
2011/10/20
We study the possibility of reheating the universe through the evaporation of Primordial Black Holes created at the end of inflation. This is shown to allow for the unification of inflation and dark m...
Effective temperature for black holes
Black hole entropy Hawking radiation eff ective temperature
2011/10/14
The physical interpretation of black hole's quasinormal modes is fundamental for realizing unitary quantum gravity theory as black holes are considered theoretical laboratories for testing models of s...
Acceleration of particles by rotating black holes: near-horizon geometry and kinematics
Acceleration particles rotating black holes: near-horizon geometry kinematics
2011/10/14
Nowadays, the effect of infinite energy in the centre of mass frame due to near-horizon collisions attracts much attention.We show generality of the effect combining two seemingly completely different...
Genericity of black holes and naked singularities in gravitational collapse
Gravitational collapse black holes naked singularity
2011/10/14
We investigate here the genericity and stability aspects for naked singularities and black holes that arise as the final states for a complete gravitational collapse of a spherical massive matter clou...
Assessing the redshift evolution of massive black holes and their hosts
quasars: general { galaxies: evolution { galaxies: formation { black hole physics
2011/9/30
Motivated by recent observational results that focus on high redshift black holes, we explore the effect of scatter and observational biases on the ability to recover the intrinsic properties of the b...