For science fiction lovers I'm sure we've seen black holes in movies like star wars,the flash e.t.c
But I'm guessing you don't really know what it is....well I'm here to tell you
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[Photo from nasa](www.nasa.gov)
A black hole is said to be a place in space where the force of gravity is strong  to the extent that nothing not even light can escape it. The gravity is extremly strong all  matter has been squeezed into an extremely tiny space.This sometimes occurs when a star is dying.
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[Photo from nasa](www.nasa.gov)
 We can't see black holes because light can't get out of it. They are invisible. Only special gadgets like space telescopes with special tools can help find black holes. One of the features of the special tools is that can see how stars that are very close to black holes act differently than other stars.
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[Photo from nasa](www.nasa.gov)

Well black holes don't have a particular size sometimes its big and sometimes its small.According to scientists the smallest black holes are as small as just one atom. They said black holes are quite tiny but have the mass of a large mountain. 
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[Photo from nasa](www.nasa.gov)
There's a particular kind of black hole called " THE STELLAR" Its mass can be sometimes multiply up to 20 times more than the mass of the sun. There might be many stellar  black holes in our galaxy. Also note that the earths galaxy is called "the Milky Way"
![images (8).jpg](https://steemitimages.com/DQmf77mkiUHesgEqpkBs1vWm6ojQUkS59HcmZDtXjtnLT2x/images%20(8).jpg)
[Photo from nasa](www.nasa.gov)
They are gigantic sized black holes they are known as "supermassive." They have masses that are more over a million suns combined 
proof has been found that every large galaxy contains a supermassive black hole at its center. 

Scientists think the smallest black holes formed when the universe began they think supermassive black holes were made at the same time as the galaxy they are in.

![cygx1_ill.jpg](https://steemitimages.com/DQmZkM4CvwY3gh9MZQZn6YiTaaoEYGkxVUyAmN285zfvGNT/cygx1_ill.jpg)
[Photo from nasa](www.nasa.gov)
When a black hole and a star move close to each other, high-energy light is made buh cannot be seen with our normal eyes. satellites and telescopes are used in space to see the high-energy light.


Well i guess you gained something, thanks for reading and dont forget to upvote,follow and comment...
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