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It's generally believed that galaxies first formed around "ordinary" black holes and over time, they grew into super massive black holes as stars were slowly "consumed" by the black hole.
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Where are massive black holes common?
in the middle of giant galaxies
Active galaxies are thought to be powered by?
Active Galaxies are thought to be powered by rotation
What is the super-massive sturcture that exists in the middle of nearly all galaxies?
It is hypothesized that almost all galaxies have super massive black holes in their center.
When will there be a black hole?
Black holes are always there. they are found in the centres of massive galaxies and also floating in space.
Why black holes are believed to reside dormant in normal galaxies?
Super massive black holes are believed to exist within galaxies (like our own) because stars in the middle of the galaxy are spinning too fast for there not to be something extremely massive there.
Where are neutron stars located at in the universe?
Mostly in galaxies, where they can form Super Massive Black Holes.
What cause thing to suck in a black hole?
The best answer to your question is that black holes are super massive. Massive objects have high gravitational pull which means that they will pull objects, including sunlight, into the black hole if something enters the black hole's event horizon.As opposed to common lore, black holes are not giant "vacuum cleaners" which roams around the universe destroying everything it comes near. Most galaxies are believed to harbor massive black holes and the stars in the galaxy are typically orbiting the the black holes instead of falling into them. In some cases, galaxies are disturbed(for example if two galaxies collide), and some solar systems may be pushed into the path of the black holes which will then "suck them in".
What is in the center of the galaxy?
All galaxies have supermassive black holes in their centers.
Where did a black hole come from?
Most black holes form when massive stars exhaust their fuel and their cores collapse. There are also supermassive black holes at the centers of most galaxies. Scientists are not sure how supermassive black holes form.
Are there galaxies with no supermassive black holes?
Yes. Some galaxies, particularly irregular galaxies, appear to lack supermassive black holes.
Do Giant Supernovas create super massive black holes?
No, only small ones, the supermassive ones are at the centre of galaxies.
Is there such thing as big black holes?
While scientists have never actually SEEN a black hole (they are called "black holes" because their gravity is so great that not even light can escape!) we believe that super-massive black holes are at the hearts of most galaxies. These super-massive black holes might be the mass of a million stars the size of the Sun, or larger.
