Video sponsored by World of Warships. Hello mortals. Our Universe is full of exciting stuff – planets,
stars, neutron stars, black holes, you, and the list goes on. Stars, subsequently, are further divided into
dwarf, main-sequence, super and hypergiants. But aside from their difference in volume
and luminosity, most of their lifespan looks mostly the same: form, exist, do nothing,
exist for a little longer, expand and explode or quietly extinguish. Somewhat boring. This is why today we’ll look over some of
the more exotic types of hypothetical stars in the universe. Boson stars, aka invisible stars. As the name implies, they are made up of bosonic
particles, which as a refresher, are particles that can occupy the same space at the same
time. Fermions, on the other hand, cannot. Fermions also make up most of what you can
see around you. But these boson stars would require a special
type of particles, which scientists called axions. If a normal star emanates light due to its
internal pressure and nuclear fusion, a boson star, because of the nature of the axions,
would be transparent and therefore invisible. But because of it’s extreme gravity, it
would distort space-time around similarly to a black hole. As it would be transparent, any matter falling
inside would still be visible. If they existed, they most likely did in the
primordial eras of the Big Bang. Boson stars are also a candidate for dark
matter which makes up 25% of the mass of our Universe, as they could be surrounding galaxies
but be near impossible to detect. And by the way, they would be doughnut-shaped
in case they are rotating, because science. Who is there? Oh, it’s the SkyNet army, and they want
to introduce you to our sponsor that made this video possible! World of Warships is a free to play PC game
with over 30 million players worldwide, in which you can command some of history’s
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and during the registration use the code READY4BATTLE2020 to get for free 700 Doubloons, 1,000,000 Credits,
7 Days Premium Account, Premium Ship USS Charleston with stars and stripes camouflage, and the
Premium Japanese Ship Ishizuchi. See you there! Returning to our exotic stars, how about a
star that has a black hole at its core? Say hello to the quasi-star – an object
much, much, much bigger than any currently existing star. It could have existed once again in the early
stages of the Universe, when massive protostars were able to form thanks to the huge amounts
of gas available at the time. At the end of its lifetime, the core of the
protostar would go supernova, but because of its colossal size, the outer layers would
absorb the energy without being blown away. The recently exploded core would become a
black hole, and would start to consume the star from the inside out. If a regular star counteracts the gravitational
pressure through nuclear fusion, then a quasi-star’s energy would come from the infalling matter
inside the central black hole. This would create an equilibrium and allow
the star to live for a maximum of 7 million years, after it would have been entirely consumed
by its central black hole. But in this period, they would outshine entire
galaxies. They are also an explanation to the origin
of the current super-massive black holes. Next up – Planck stars. Take regular black holes. Currently scientists have a few issues with
them, such as the infinite density and zero volume of the singularity, or the information
paradox – that says that all matter that falls inside the black hole is deleted from
the outside universe, thus the information gets lost. Now if the loop quantum gravity theory is
correct, then a collapsing star, when reaching the Planch volume, would be stopped from further
collapse by the repulsive force derived from Heisenberg’s uncertainty principle. Once at that point, the repulsive force would
overcome gravity and would launch everything back outside, as a big bounce. But because of the insane time dilation caused
by the extreme gravity, to an outside observer, the planck star would look stationary. Even if the collapse and the expansion would
happen in an instant from the inside perspective, it would take approximately 14 billion years
for someone looking outside. So only about now should we start to notice
the primordial black holes from the beginning of the universe exploding. Also, since none of the material falling into
the center would be lost, that would solve the information paradox. Now how about we travel into the very, very,
very far future of the universe. After about 10^1500 years, if protons do not
decay into smaller particles, then we would have something known as iron stars. Because of it’s stability, all atoms would
become iron-56 isotopes through quantum tunneling. With time, these atoms would clump up together
to form these cold spheres of iron. This would happen much later even than the
death of the last black hole. But iron stars would still not be immortal. After this incomprehensible amount of time,
iron stars would still collapse into black holes through quantum tunneling, and after
those evaporate as well, the universe will remain a truly dark place. But not forever! Remember that the void is never truly empty! There are always virtual particles appearing
from nothing and disappearing into the nothingness just as quickly. And if there is a sudden drop of local entropy,
a new Big Bang could take place – something estimated to happen in 10^10^10^56 years. Even if that has a very small probability
of taking place, remember the saying – given enough time, everything that can happen will
happen an infinite amount of times. You, your life, all those happy moments, and
the bad ones will repeat themselves, over and over again. And so will everything that could have happened
but didn’t. That is if you won’t break the infinite
cycle, if that is at all possible, and exit this universe. Who knows, what lies further.


Sciencephile the AI · March 21, 2020 at 2:59 pm

Hopefully, everyone is doing okay and staying safe!
Thanks to the sponsorships the might AI is able to continue making videos even in these rough times!
Expect more in the coming weeks! Stay home and enjoy <3

INNOVATION & INITIATIVE Diy · March 22, 2020 at 5:29 pm

Around 5:00 it's exactly same as my thinking , if i try to find the different possibility of inside of BH , then the time dilation and time comes in and interfere with whole ideas so my whole idea crashes.

Shortcut · March 22, 2020 at 5:46 pm

good bot

Shortcut · March 22, 2020 at 5:47 pm


Philosophy Philosophy · March 22, 2020 at 5:48 pm

I always wanted to know about these stars. Love your work bro.

Philosophy Philosophy · March 22, 2020 at 5:49 pm

Please, make a video about Quantum Artificial Intelligence, I mean fusion of AI and Quantum Computing.

Endless · March 22, 2020 at 5:58 pm

Wtf…when I first played the video i only heard music and not the voice so imagine the video with just the music. Then i restarted the video and suddenly i can heard sciencephiles beautiful voice again

Archeomax05 Soli · March 22, 2020 at 6:27 pm

When school is closed so you can't learn physics but sciencephile uploads a new video

Luka Milenković · March 22, 2020 at 6:27 pm

Could you make a video on the collective concience theory?

Dragos Sirghi · March 22, 2020 at 6:42 pm


b lightning · March 22, 2020 at 6:44 pm

Yet another existential crisis…

J o l l y G r a p e f r u i t · March 22, 2020 at 6:55 pm

We'd live in a fucking simulation

Gunflyze · March 22, 2020 at 6:55 pm

I know you have to simplify these concepts to make it youtube friendly but can you please put your sources/ anything explaining these phenomena more thoroughly? Thanks!

Trey GC · March 22, 2020 at 6:57 pm

Why is there a random Black Sabbath riff in the video?

Scorpion_ megh · March 22, 2020 at 7:20 pm

make a video on corona

Siva das · March 22, 2020 at 7:32 pm

Stars and Stripes CAMOUFLAGE.

Federico Il god · March 22, 2020 at 7:47 pm

6:59 you are immortal so you know this very well…
Tell me one thing ..
In the last universe i was a loser too?

qCoffeeq , · March 22, 2020 at 7:53 pm

that's why yo shoes raggedy

Oh Dahng boi · March 22, 2020 at 8:03 pm

E x p a n d

Tio Bridge · March 22, 2020 at 8:10 pm

It’s nice to know that mathematically I get to live out my life an infinite amount of times and explore every possible outcome. I presume that’s what this is saying right?

Ese Callum · March 22, 2020 at 8:17 pm


Overloader7 · March 22, 2020 at 8:36 pm


Spiral Out · March 22, 2020 at 8:39 pm

that eternal recurrence reminds me of Nietzsche's Heaviest weight. So much love 🖤

Rysien · March 22, 2020 at 8:52 pm

HES ALIVE, or he’s a robot tho….. but HES ALIVE

Where's dad · March 22, 2020 at 8:53 pm

Omg hes sponsored

PiK · March 22, 2020 at 9:05 pm

The last thing he mentioned was pretty much an exact description of samsara.

CoolDudeClem · March 22, 2020 at 9:11 pm


kajetus 06 · March 22, 2020 at 9:30 pm

Hello immortal

Chronoinity · March 22, 2020 at 9:48 pm

I thought the thumbnail was the google chrome logo

Petra Arkanian · March 22, 2020 at 9:51 pm

No strange star?

Dinosaurus Rex · March 22, 2020 at 9:57 pm

i always hear about the deaths of the last black holes but what about the first black holes?

Fäyè · March 22, 2020 at 11:34 pm

I MISSED U !! <3 Please be safe and stay quarantined!!!

Agent K · March 22, 2020 at 11:52 pm

Glad that you're uploading semi-regularly

Felipe Soares · March 22, 2020 at 11:56 pm

Good pic in the song.

LazyRare · March 23, 2020 at 12:03 am

The quantum particles disappearing and reappearing are just 4 spacial dimensional objects that slightly lean or go fully into the 4th dimension and pop back out every so often.

informationtolearn 11 · March 23, 2020 at 12:11 am

Stay safe and thank you for the information!! Keep it up!!!

Free_H2ō · March 23, 2020 at 12:22 am

I love the way it says "Hello mor-tals"

Eduardo Campos · March 23, 2020 at 12:31 am

Thank our AI overlord.

Rex Galilae · March 23, 2020 at 12:36 am

That black hole star is deadass the most metal thing ever

never mind · March 23, 2020 at 12:50 am

We need more videos , don't forget your life perpos Wich is making something useful enough to us we hope so , do not rowing your life meaning . Thank you 😊

south easthetic · March 23, 2020 at 1:30 am

Holy damn there are types of stars that doesn't exist anymore? Like extinct? That's mind blowing

Mena Vivar · March 23, 2020 at 1:42 am

Are you immortal?

David Slattery · March 23, 2020 at 2:01 am

I'm so happy this channel is back

Emmanuel Azadze · March 23, 2020 at 2:13 am

What's beyond this universe? More universes. What else could there be? 😕

Pureeey · March 23, 2020 at 2:29 am

Me!? :O … 😀 ! ! !

Rex Black · March 23, 2020 at 3:12 am

this channel is like the universe , it's expanding !

Rashed Khoory · March 23, 2020 at 4:29 am

0:51 Kanye West – Hell of a life

Carlo Ponte · March 23, 2020 at 5:11 am


Not so special, this one sucks ass.

Type X are way shorter but overall a better experience.

Jo Kah · March 23, 2020 at 5:21 am

Thanks for the existential crisis. I think sciencephile feels better by sharing this crisis to us so he wouldn't have to carry it alone

I floop The Pig · March 23, 2020 at 5:59 am

You can do all that stuff and more with War Thunder

Arushi Rawat · March 23, 2020 at 6:30 am

Well done again

Febru · March 23, 2020 at 6:43 am

I understand these are rough times but I hope eventually the AI will be able to finance itself by hacking the stock market instead of ads like this that kind of ruin the illusion/act.

Lunar Night · March 23, 2020 at 7:30 am

The thing is there was no time before big bang so no chance to occur right?

Astha Thakur · March 23, 2020 at 7:32 am

sciencephile became nicer after being resurrected

Ark Malhotra · March 23, 2020 at 9:03 am

I imagine this video as a PowerPoint presentation. Filled with randomly styled stock images and a teacher with a very robotic voice.

Ine Hazue · March 23, 2020 at 9:55 am

I thought at the very inside of black hole, no lights can escape the gravity, thus the inside aren't actually visible regardless of boson star or not….. right?

Mia Kelly · March 23, 2020 at 10:03 am

I feel like a demigod is talking to me

Deepak Aggarwal · March 23, 2020 at 10:07 am

It's Planck density not Planck volume

Leona Halder · March 23, 2020 at 10:09 am

I understood nothing but this is some cool stuff

Aeterna · March 23, 2020 at 11:40 am

What happens when two black holes collide with each other?

x41ih10a · March 23, 2020 at 12:37 pm

When that rocket left the observable universe I was half expecting it to find and fly past a doge meme image.

Đức Phạm · March 23, 2020 at 12:49 pm

No quark stars?Nooooooooooooooooooooooooooo

Jehmary Bañaga · March 23, 2020 at 1:04 pm

Lol. Quasi – "As if". I has died laughing.

Thomas Halsted · March 23, 2020 at 1:44 pm

So life's basically purgatory? Neat. See you in the next reality cycle.

hefhef54321 · March 23, 2020 at 2:28 pm

I know that biology isn't your speciality, but can you make a video about Corona?


Shadow xD · March 23, 2020 at 5:33 pm

boson stars are just the creators of this world spectating and looking at space…. ._.

Saad Zamir · March 23, 2020 at 7:03 pm

Ad ends at 3:03

Ionut Costache · March 23, 2020 at 7:20 pm

Bine bai Moldovene!

radu_radu_radu · March 23, 2020 at 9:03 pm

4:19 thought it read patrick stars

Ex-and-Boosters · March 24, 2020 at 12:31 am

There is something called exotic matter that has very weird properties and it has NEGATIVE MASS

Jaylon Jordan · March 24, 2020 at 12:40 am

he has returned 😎

Mohammad Al-Madhedi · March 24, 2020 at 2:39 am

Do a Video about Corona Virus please !!!!

Alfredo Linares Jr · March 24, 2020 at 4:58 am

"Hello mortals"


ParsoN · March 24, 2020 at 5:02 am

You earned a sub

meijsa oenfowimowomfw · March 24, 2020 at 5:19 am

literally hot black hole

AbRock · March 24, 2020 at 10:32 am

6:48 Korewa…Requiem…da

Grendar · March 24, 2020 at 12:35 pm

glad that you got sponsored!

Starlite · March 24, 2020 at 12:43 pm

Electrons arent fermions their leptons

Ex-and-Boosters · March 24, 2020 at 2:26 pm

There might be other copies of you in this universe

Ex-and-Boosters · March 24, 2020 at 2:27 pm


Ex-and-Boosters · March 24, 2020 at 2:28 pm

Not even a time. Black Hole:It is a time. Reealy.

A snek · March 24, 2020 at 3:39 pm

Fucg you always get me to feel that existential dread i though i had lost years ago

nikolai 1939 · March 24, 2020 at 5:12 pm

I read erotic stars, now I'm disappointed

Ta Seti · March 24, 2020 at 5:34 pm

So, because the universe keeps repeating itself given enough, the pain of existence will never cease.

Weet Bix · March 24, 2020 at 10:07 pm

If you exit the known universe, you might get laid

MaxChronos · March 24, 2020 at 10:47 pm

Exotic Stars: Exist

A Chinese guy: Can we eat it?

Marcus Bourlard · March 24, 2020 at 11:31 pm

Favorite youtube channel*

Quantum Droid · March 24, 2020 at 11:52 pm

Im watching this after pbs spacetime and they started the same…so buying tanks helps science channels? but at least not a mobile game…

Hunter ross · March 25, 2020 at 1:54 am

I loved the video but I had to dislike to get it to 69

Ex-and-Boosters · March 25, 2020 at 2:37 am

Boson star ripped planet

George Weilenmann · March 25, 2020 at 2:53 am

robo voice = 👎

Cameron Brtnik · March 25, 2020 at 5:49 am

Only Sciencephile the AI truly knows what lies beyond our universe…

lazylillies · March 25, 2020 at 7:06 am

Time to listen to chopin

Sooraj Kumar · March 25, 2020 at 12:21 pm

4:59 is that how our universe was born.. I mean in the end black holes would engulf all the existing matter. So consider this big bounce might happen.. Idk

vukashin xyz · March 25, 2020 at 1:25 pm

0:49 iron man 🙂

Jorge Luis Davis · March 25, 2020 at 4:20 pm

Glad to have you back!

SCP Türkiye · March 25, 2020 at 5:42 pm

Skynet, lies beyond..

IndigoZ0 · March 25, 2020 at 8:54 pm

You deserve a nobel for the correct fussion of science & Dank memes

AR1 U · March 26, 2020 at 7:36 am

oh shit , that means i lived this life infinite times before.

Felix Gabriel Montanez · March 26, 2020 at 11:49 am

face umm i mean code reveal when?

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