For unknown reason, the
black hole (BH), located in the center of our Milky Way galaxy, regarding once
a day generates an X-ray flash. Such outbreaks last for several hours, and
their brightness can in some cases exceed the normal brightness of the black
hole, even a hundred times. But in February 2012, astronomers using the X-ray
Observatory "Chandra", recorded the most powerful flare ever observed
on the central black hole in our galaxy known as Sagittarius A *.
