But in the extreme
conditions around a black hole, time and space get so stretched that the two theories are forced to overlap.
Not exact matches
Such
conditions exist, they say,
around a massive
black hole (like the one above), and the short duration of the pulses suggests they come from something small, like a neutron star.
«The environment
around and the birth
conditions for these
black holes actually puts them on a track either for rapid growth spurts, or for rather slow growth,» Natarajan says.
Hence, some astronomers believe that the
conditions around those central
black hole did not appreciatively changed much in that time, contrary to some theoretical expectations.