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Black-holes
New post in Black-holes
Calculating the radius of a black hole
June 8th, 2020
black-holes
astrophysics
homework-and-exercises
general-relativity
estimation
Do all black holes spin in the same direction?
June 15th, 2020
black-holes
angular-momentum
cosmology
Does light with a wavelength on the Planck scale become a self-trapping black hole?
November 25th, 2021
inertial-frames
relativity
special-relativity
black-holes
photons
Black hole analog experiment?
October 18th, 2020
black-holes
home-experiment
Why is matter drawn into a black hole not condensed into a single point within the singularity?
May 13th, 2020
black-holes
singularities
general-relativity
What happens when a black hole dies?
August 1st, 2022
event-horizon
thermodynamics
black-holes
singularities
hawking-radiation
How could we travel to the nearest supermassive Black hole?
August 1st, 2020
general-relativity
black-holes
popular-science
warp-drives
How can the tidal force due to a black hole tear apart the observer inside?
July 15th, 2020
event-horizon
black-holes
gravity
general-relativity
tidal-effect
Falling into a black hole
July 29th, 2020
black-holes
general-relativity
observers
event-horizon
What is a maximal analytic extension?
August 1st, 2022
mathematical-physics
cosmology
black-holes
general-relativity
Why is it hard to detect a black hole
February 24th, 2020
general-relativity
gravity
black-holes
electromagnetic-radiation
event-horizon
Can colliding gravitational waves create a black hole?
December 11th, 2020
black-holes
gravitational-waves
general-relativity
Is it possible that black holes are also neutron stars, but so dark that we cannot see them?
August 1st, 2022
black-holes
neutron-stars
astrophysics
stability
event-horizon
Does cosmic censorship rule out stable toroidal black holes? How?
August 1st, 2022
black-holes
topology
causality
event-horizon
cosmic-censorship
What happens to an embedded magnetic field when a black hole is formed from rotating charged dust?
August 1st, 2022
electromagnetism
general-relativity
black-holes
How can black hole increase its mass?
August 1st, 2022
observers
event-horizon
mass-energy
black-holes
general-relativity
What causes a black hole ringdown and why can it prove the no-hair theorem?
August 1st, 2022
no-hair-theorem
general-relativity
black-holes
gravitational-waves
ligo
On black holes, Hawking radiation and gravitational atoms
August 11th, 2022
string-theory
black-holes
hawking-radiation
Why isn't black hole information loss this easy (am I missing something basic)?
June 7th, 2020
black-holes
hawking-radiation
information
Is a black hole's surface area invariant for distant intertial observers?
May 10th, 2020
general-relativity
thermodynamics
black-holes
Future light cones inside black hole
March 28th, 2020
general-relativity
black-holes
singularities
Schwarzschild metric coordinate sign change in $0\leq r \leq 2GM$
December 20th, 2021
general-relativity
black-holes
metric-tensor
coordinate-systems
What is a dormant black hole?
August 16th, 2022
black-holes
terminology
Could dark matter consist of the supermassive black holes at the centers of galaxies?
October 25th, 2020
black-holes
dark-matter
galaxies
galaxy-rotation-curve
Gravity on supermassive black hole's event-horizon
August 18th, 2020
causality
event-horizon
black-holes
gravity
general-relativity
Is it possible that QM is just GR?
September 10th, 2020
quantum-interpretations
quantum-gravity
black-holes
general-relativity
Is time sped up when orbiting a black hole? Why? What does that mean?
August 1st, 2022
general-relativity
black-holes
spacetime
reference-frames
observers
Event Horizon of Supermassive Black Holes
January 8th, 2020
tidal-effect
black-holes
gravity
general-relativity
Do black holes have infinite areas and volumes?
August 1st, 2022
general-relativity
volume
astrophysics
black-holes
What is the mechanism for fast scrambling of information by black holes?
August 1st, 2022
quantum-gravity
black-holes
information
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