Here is a great documentary on Super Massive Black holes. It presents the current understanding of black holes and particularly the Super Massive Black Hole at the center of our Milky Way Galaxy.
The documentary also provides some of the history of how black holes were first discovered with radio telescopes.
It provides the first scientific proof of Black Hole existance at the center of our galaxy. While the Black Hole cannot be observed directly, scientists pain-stakingly mapped the orbits of enormous stars orbiting the Black Hole.
They also provide a good description of the anatomy of a Black Hole, the event horizon, the accretion disk and what happens to objects that get too close.
It also describes that extremely bright objects initally discovered using radio telescopes called Quasars, were actually Black Holes.
And finally, the discovery that the mass of a Black Hole at the center of most galaxies is directly related (linear relationship) to the mass of the galaxy surrounding it. It has been determined that the mass of a Black Hole is consistently approximately 0.5% of the mass of its galaxy. This is extremely important and may indicate that the size of the galaxy is controlled by the size of it's black hole at the center.
As the massive gas cloud approaches Sagittarius A, at the center of our Milky Way it will give astronomers incredible insight on how a Super Massive Black hole devours mass. In fact with this huge injection of gas (approximately the volume of the Earth) our Black Hole should get much brighter as friction of mass in the accretion disk increases to create a searing plasma.
This should be very ineteresting.
Maddalena Environmental Inc.
Al Maddalena, President
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