A black hole is a region of spacetime exhibiting such strong gravitational effects
that ...... merging black holes. On 24 September 2015 the LIGO gravitational wave
observatory made the first-ever s...
Sep 5, 2013 ... We know that matter falling into black holes is no different from the matter which
can be found lurking around the rest of the Universe. However ...
Stellar black holes are made when the center of a very big star falls in upon itself,
or collapses. When this happens, it causes a supernova. A supernova is an ...
Inside a black hole, nothing can hold together. At the "event horizon" then
something traveling the speed of light can stay there, anything else falls in further.
Scientists think that black holes are created in places where matter gets
extremely dense (where a huge amount of material is crammed into an extremely
A common type of black hole is produced by certain dying stars. A star with a
mass greater than about 20 times the mass of our Sun may produce a black hole
Jun 13, 2016 ... Could dark matter — the elusive substance that composes most of the material
universe — be made of black holes? Some astronomers are ...
Oct 3, 2014 ... From the outside, we can't tell whether a black hole was initially made up of
protons and electrons, neutrons, dark matter or even antimatter.
Black holes are made up of 3 main parts. The very outer layer of a black hole is
called the Outer Event Horizon. Within the Outer Event Horizon you would still be