There are lots of types of black holes in this universe
So in this video of Da Cosmos we are going to discus them
In this video i am differentiating black holes on the basis of thier size.
So the smallest black hole that can exist is a theoretical or hypothetical black hole.
Which we call as quantum black hole.
and we haven't found it yet.
but we think they must be present at quantum levels.
because of theories that is given by many scientists.
 
As their name suggest they are present at quantum levels. hence they are incredibly very small.
but what can they do or how do they are formed I will be explaining in my upcoming videos.
Now come to the Stellar-mass Black holes
which is next in our video
they are most common black holes in our universe
And have mass approximately 10 to 100 times the mass of our sun.
they are formed when massive star goes Supernovae exploison
if you want to know their formation link is in the corner i button and in the description below
They are present in the universe in every galaxy
In our milky way galaxy they are present in millions
That is why they are the most common black holes in the universe
The third type of black hole that exists is Supermassive black holes.
which are way too massive then Stellar mass black holes.
they are not the common ones like the stellar mass black holes
but are present in very trace quantities.
Like one in most of the galaxies that are found in universe.
They have mass around thousands to millions times the mass of our Sun.
they are present in the center of most of the galaxies.
their formation and more interesting Stuff i will talk about in my upcoming videos.
The fourth type of BLACK hole is a QUASAR or Quasi Stellar Radio Source.
As in the name there is stellar they are not related to mass of any star.
They are way more massive than Supermassive black holes and Stellar mass black holes.
 
They are present at very far distance fro us
But there sources are so bright that we have detected them so profoundly.
 
They have mass around millions to billions times the mass of our sun.
The closest quasar is around 1 billion light years away.
These black holes have a very large size
this makes a high effect on parent galaxy
The whole galaxy is their food and the matter around them is radiating energy in very high amount
The last types of black holes are blazars
they are same as quasars but little bit different.
they are just radiating energy in large amounts then quasars.
So that's it for this video
In this video i have just talked about black holes and not have described their properties.
I am taking so many videos because i want you to understand the stuff properly that i am talking about
Thank you guys and please Subscribe for more videos on space and stuff
