What Is A Black Hole? | Space Explained

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Learn about black holes -- a region of spacetime where gravity is so strong that nothing can escape from it -- with this space science explained video by KLT!

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Music: Copyright 2015, 2016, 2017 KLT
Video: Copyright 2015, 2016, 2017 KLT

Lyrics:
I’m a Supermassive Blackhole
Found in the center of almost all massive galaxies

I’m a Supermassive Blackhole
There are theory’s how I am formed
Come, join me and see

There are three types of Blackholes
According to the theory
Primordial, Stellar and Supermassive
like me

The Primordial’s
a tiny hypothetical Blackhole
In 1974 Stephen Hawking
Theorized it’s a role

Primordial’s were formed
in the early universe
But we’ll learn about this more
When I teach that topics course

Onto the most common type called
the “Stellar Blackhole”*
But let’s first see why a star exists
before it loses control

The pressure from Nuclear fuel in the core pushes outward so greatly
While a force of equal power pushing in
is caused by Gravity

This equal pressure does create the stars
Main Sequence stage
That means this star is stable
in its present burning age

When stars with the suns mass run out of nuclear fuel in its core
It becomes a Red Giant
then quietly becomes a White Dwarf Star

But stars with 25 times the mass
of your Solar Systems sun
runs out of nuclear fuel its gravity
crushes the core and becomes

A “Stellar” it’s the most common type in the universe
After the chorus, I’ll tell you
how I’m created of course

I’m a Supermassive Blackhole
Found in the center of almost all massive galaxies

I’m a Supermassive Blackhole
There are theory’s how I am formed
Come, join me and see

I’m a Supermassive Blackhole
The 3rd type of black hole seen
believed to be found in the center
of any major galaxy

A black holes a region of space
where the force of gravity’s so strong
Nothing, not even light can escape
You’ve learned in this song

How I acquired my mass
is still yet to be determined
And astronomers are still working
on how I’m formed that is certain

Some think I’m formed from the collapse
of massive clouds of gas
during the early stages of the formation
of galaxies with mass

My parts start with the Accretion Disc orbiting around me
It’s superheated gas and dust
swirling around the Singularity

The Singularity is the very center
of a black hole, you see
Made up of matter collapsed into a region
of infinite density

The Event Horizon’s the radius
Around a Singularity
Where energy and matter cannot escape
the black hole's gravity

The Innermost Stable Orbit’s
the last place material orbits safely
without the risk of falling past
the point of no return in me

A Photon Sphere’s a location
Where gravity is so strong
that light can travel in circles
And orbiting the black hole are Photons

I feed on stars, dust or gas
And produce jets of near light speed
Blasting particles and radiation
out from my poles, you can see

These are Relativistic Jets
And my last part I’ll talk about
Now it’s time to sing with me
do it loud without any doubt

I’m a Supermassive Blackhole
There are theory’s how I am formed
Come, join me and see

I’m a Supermassive Blackhole
The 3rd type of black hole seen
believed to be found in the center
of any major galaxy
#Blackholes #space #kids #kidslearningtube #supermassiveblackhole