A black hole is a region of spacetime exhibiting such strong gravitational effects
that ...... This seemingly causes a violation of the second law of black hole
mechanics, since the radiation will c...
Stellar black holes form when the center of a very massive star collapses in upon
itself. This collapse also causes a supernova, or an exploding star, that blasts ...
Answer: D (a large star's core collapses to become so dense that its gravitational
pull keeps light from escaping) black hole An extremely dense celestial object ...
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
www.ask.com/youtube?q=What Causes Black Holes?&v=8grTbzAo0PA
Nov 20, 2012 ... Black holes are created when a large star collapses under the force of ... a
documentary cause no one has ever saw the birth of a black holes.
May 27, 2010 ... NASA's Swift satellite X-ray survey has revealed new supermassive black holes
that confirm theoretical ideas about how black hole activity is ...
Every object in the universe--from a basic star to an exotic black hole--spins, and
the origin of that spin can be traced back to the very beginning of time.
Apr 9, 2015 ... Black holes are some of the strangest and most mysterious objects ... But a 2012
study in Nature suggests that quantum effects would cause the ...
Jun 27, 2015 ... If a black hole is in the center of our galaxy, could it be the source of the rotation
of the galaxy and if so, if it is acreeting matter could this mean ...
Supermassive black holes may have formed when huge clouds of interstellar gas
collapsed, but this is not certain. ... What causes black holes? Gamma rays ...