What Is A Black Hole? Explore More About It

We all are aware of this new sensational news of black hole. Everyone is talking about the picture of the black hole and asking about others opinion on it, but do you really know what black hole is? or what made it occur?

What is a Black Hole?

(Image credit: BBC)

Stars are an incredibly massive collection of hundreds of atoms consisting of a luminous spheroid of plasma held together by its own gravity. Nuclear fusion in the star crushes nitrogen atom to helium atom releasing a tremendous amount of energy. This energy in the form of radiation pushes against gravity maintaining a delicate balance between the two forces.

A star remains stable as long as there is fusion in the core. But for stars with more mass than the sun the heat and pressure at the core allow them to fuse heavier elements until they reach iron. The fusion process of iron doesn’t generate any energy. Iron builds up at the centre of the star until it reaches a critical amount between radiation and gravity is suddenly broken. The core collapses. Within a fraction of seconds, the star implodes.

(Image credit: Nature)

Moving at about a quarter of the speed of light feeding even more mass into the core. It’s at this very movement that all the heavier elements are formed as the star dies in a supernova explosion. This leads to either a neutron star or if the star is massive enough the entire mass of the core collapses into a black hole.

What you see in the picture of a black hole is the event horizon. The Event horizon is the border at which the gravitational pull becomes so powerful that nothing can escape through it. The light emitted from inside the event horizon can never reach the outside observer, and the outside observer cannot see beyond the event horizon.

(Image credit: Wipo)

This is similar to a black body. A black body is a body which doesn’t reflect light that is incident on it. For example, consider a spherical device with just a opening in the form of hole. The inner surface of the spherical body is covered by lamp black. Now, if light enters the body through the hole, it gets reflected internally and all the light waves get absorbed. No light comes out of the black body.

Similarly, if someone crosses the event horizon of the black hole. He is pulled towards the core and eventually disappears and dies. How soon you die depends on the size of the black hole. A smaller black hole would kill you even before you enter the event horizon, while you probably could travel inside a super size massive black hole for quite a while.

For example, the super massive black hole S50014+81 is 40 million times the mass of the sun.

Subscribe to our channels on YouTube & Telegram

Random Post

Top 10 Ways To Practice Self-Care

The care provided “for you, by you” is self-care. In this crazy world, you need to find some time to nurture and pamper yourself....

5 Minute Cakes That You Must Try out

It is the world of instant cooking! Isn’t it? Then why should baking cakes take a lot of time? Buying a cake or a...

Joint Pain? Try Out These Exercises And Say Goodbye To Them!

Exercises For Joint Pain Life’s tough, eh? I am sure it is. Career, jobs, family- everyone has some or the other element which is making your...

Latest article

10 Unhealthy Foods That Are Actually Good For You

Whenever we hear this word, all that comes to our mind are veggies, fish, zero cholesterol, or zero fat foods. From the day we...

5 Tips to Make Your Devices More Efficient to Streamline Your Work life

Technology has become an integral part of our lives. From smartphones to laptops, we are constantly using devices to communicate, work, and entertain ourselves....

Five Reasons Why You Need a Skincare Routine

With so much to do in a day, it's hard to find time to do self-care. But if you keep on neglecting skincare now,...

Related Articles

LEAVE A REPLY

Please enter your comment!
Please enter your name here

This site uses Akismet to reduce spam. Learn how your comment data is processed.