What is inside a blackhole

Black holes have been a hot topic for a long time.

Everyone is intrigued by the ominous and mysterious celestial body.

From pop culture to science, everyone is trying to give their insights on the mysteries of how it might be.

Unfortunately, we still haven’t been able to access a black hole due to the vast distance we have from them.

Even if we do reach a black hole, scientists have long been pondering what the journey inside it might be

What is a black hole?

First, we must understand what a black hole is in brief.

Science defines a black hole as a cosmic body of extremely intense gravity from which nothing, not even light, can escape.

The formation of a black hole occurs due to the death of a massive star.

As every star also has to come to an end after exhausting its internal thermonuclear fuels, it eventually collapses.

The core becomes unstable and gravitationally collapses inward upon itself.

This causes the star’s outer layers to be blown away.

The extreme weight of the constituent matter falling in from all sides ends up compressing the dying star to a point of zero volume.

This creates a space of infinite density called a singularity.

Details of the structure of a black hole come from the research that was pioneered by Einstein in his theory of relativity.  

Structure of a black hole

To take a journey within a black hole, we must have an overview of the structure of a black hole first.

The singularity that has been formed constitutes the center of a black hole.

This is hidden by the object’s “surface,” the event horizon.

The event horizon is a crucial part of the black hole. 
 
We know for a fact that the escape velocity, that is the velocity required for matter to escape from the gravitational field of a cosmic object, inside the event horizon, exceeds the speed of light so that not even rays of light can escape into space. 
 
The radius of the event horizon is called the Schwarzschild radius, after the German astronomer Karl Schwarzschild.

The size of the Schwarzschild radius is proportional to the mass of the collapsing star.

Journey inside the black hole

It would take us about tens of thousands of light-years to reach even the nearest black hole. After we have reached it, it is time to start our journey.

For our journey, we are going to focus on a giant black hole with no electrical charge or spin whatsoever. 

Surprisingly, as we approach the black hole it looks quite peaceful.

After all, it's just a massive object, pretty much like any other massive object.

Gravity is gravity and mass is mass, a black hole will pull us with the same gravitational force that we would expect it to after calculating its force in context to the mass.

The black hole itself is a singularity, a point of infinite density.

But you can't see the singularity itself; it's shrouded by the event horizon, what we generally and wisely consider the "surface" of the black hole.

To go farther, you must first pierce that veil

At this point, the gravitational pull is so extreme that nothing, not even light itself, can escape the black hole's clutches.

If we were to fall below this boundary and decided we had enough of this black hole exploration business, then too bad.

With full speed, we would speed towards singularity. Almost like we are trapped. 

Now that we have approached this place, we must travel towards the singularity.

No matter which direction we turn towards, the singularity will always be in front of us.

We will hit that singularity in some finite time.
 
As we speed towards this singularity, we have not been shrouded by only darkness.

Light from the surrounding universe fell in with you and continues to fall in after you.

As there is extreme gravity inside, the light shifts to higher frequencies.

Time dilation leads to us viewing the outside universe as sped up, even though it is still there.

As all the mass of the black hole is concentrated into an infinitely tiny point, the differences in gravity are extreme. 

Our body starts stretching from head to toe and is aptly called spaghettification. 

Our view of the singularity becomes grotesque and distorted as well.

Everything is pitch black and we cannot see everything.

This lies in the future and just like the future we cannot figure out how it is till we reach there.

Instead of appearing as a tiny point, the huge gravitational differences stretch that point to engulf most of our vision.

As you approach the singularity, it appears as if we are landing on the surface of a vast, featureless, empty, black planet.

After this, scientists are still pondering what might happen.

Maybe one day galactical travel will give us answers to these questions.