>>691695886
Since we are a part of the Universe , we are literally the Universe experiencing itself

In the time it took you to read this, you moved over 19,000 chromosomes

Google "The great atractor" get mindblown

>>691696780
thanks my dude

The Milky Way blocks 20 % of the visible universe and will continue to do so forever or until we go to deep deep extragallactic space.

>>691695886
wow i was surprised to see that the observable universe actually isnt that big

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>>691697677
are you serious right now?

>inb4 a slew of false color pics with idiots marveling at them thinking that's what it would look like to the naked eye

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oldest and largest body of water in space.

140 trillion times the amount of water on earth.
black hole at the center bonding the hydrogen to the oxygen. could hydrate 28 galaxies. 12 light years away (which i believe means when we look at it we are seeing 12 billion years into the past).

at that time the universe was only 1.6 billion years old, so with that much water and who knows if its moved or gone somewhere else, that could be potential for a lot of life out in the universe.


i showed it to my boss. he said it almost looks like its counting down time.

>>691695886
Think about this

Right now, there's a planet out there with an intelligent civilization beaming signals every which way into outer space.
By the time we're able to intercept those signals and send a response, that civilization will be destroyed and that fucking sucks

>>691698393
>12 light years

That means we see it twelve years in the past

>>691697916
yeah

>>691698443
time doesn't even work the same. They could be millions of years ahead of behind us. Not to mention that is if there is another intelligent life form out there. We got lucky and won the planet lottery

>>691698607

my bad, 12 billion light years away.

>>691698443
what this guy said >>691698731
we literally look like molten rock to an advanced species so far away

>>691696323
kill urself

>>691698688
it's so massive it's nearly incomprehensible, not to mention the Universe is expanding by the second

>>691697142
>until we go to deep deep extragallactic space

we will go nowhere nigger

whats outside of the expanding universe?
>inb4 nothing
obviously but what would happen if i like "stepped over" the expanding line into nothingness omehow

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>>691698443

Natural selection doesn't guarantee the evolution of intelligence.

There are plenty of viable ways to survive without intelligence pic related.

With all of these sci-fi movies about advanced aliens, sometimes I wonder what it would be like if we ended up being the advanced aliens finding a planet with other life. Would we just rape their planet and culture for resources, like the Europeans did back in the day, or would we just rape their planet and ignore their culture, like we do with modern uncontactwd tribes?

>>691699399
it's 100% impossible because the Universe is expanding

we'll never know what's beyond that

>>691699761
well i know its impossible, like theres no point in wondering kind of impossible but i mean theoretically what do you think would happen if it happened

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any youtube channels like Vsauce?

>>691699992
Vsauce2 and 3

>>691699913
your guess is as good as mine. It's one of those things we will never ever have an answer to

>>691699913
we would break the 4th wall

>>691699913
look at it this way, the universe is every single particle that exists. you are part of the universe, so anywhere you are, the universe is. so if you try to step off the edge of the universe, the universe expands to include where you are. there is nothing past the edge of the universe

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I remeber learbing about the Drake Equation in high school which is designed to estimate the number of civilizations in our galaxy with electromagnetic emission technology

>>691700493
furthermore, if you manage to step past the edge of the universe that just means we were wrong about where the universe stopped

>>691699399
Parallel universes? The outside of this simulation? God?

Who knows.

>>691699008

y u so mad doe?

Think about it.

>>691699913

I bet if you went beyond the universe's boundaries, you would get instantly obliterated. Cause the universe just expanded right into your face faster than light

One day the universe will run out of energy and everything will be void forever

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>>691699399
>>691699761
>>691699913
>>691700242
>>691700622

You're imagining it wrong. There isn't a "line" or boundary where the universe is expanding into something else. Rather, the space between objects is being stretched and elongated.

>>691700493
>>691700616
i knoooowwww
i know i know i know
i know its literally IMPOSSIBLE
i was just asking a theoretical question

>>691700855
maybe this will help. the only thing that makes it special is theres nothing there

>>691700849
So, that is to say, everything is constantly expanding in size?

>>691700816
one day it'll stop expanding and it'll start to cave in on itself

>>691701071

No, just the empty space between matter

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>tfw you will never look up in the sky and see Andromeda heading towards us

why even live

>>691700849
>stretched and elongated
so expanding?
wow you sure are fucking stupid, read a book nigger

>>691701074
That is another possibility but the universe is expanding faster every moment so it's less possible

>>691701220
This. I want to witness Andromeda collide with us.

>>691701472

The universe is already infinitely big, so it can't get any bigger in the sense you're imagining it.

There isn't a "line" or "border" to the universe where it is expanding into something else.

Your misconception is stemming from a failure to understand infinity.

>>691701847
it would take an extremelly long time. You'd look up and it would just look like the moon except it would be a galaxy. you would never see it speeding towards Earth

>>691702039
i know that t he universeis already at its max and it cant get bigger
but at some point it was expanding right?

>>691702070
the only thing earth MIGHT experience is crazy seasons if we get pulled around by other stars, but thats very unlikely. there really is a huge space between each star system

So apparently there's evidence to suggest that dark-matter is actually primordial black holes that have formed into near perfect circles surrounding galaxies. Which is amazing to think about. If let's say interstellar space travel is possible through black hole theories, this would basically be a train station inbetween galaxies. This is also makes you wonder how the universe even fucking works. This black holes surrounding entire galaxies must serve a purpose. Do they somehow recycle matter into the center of the galaxies where nebulas and white holes reside? Just so many questions from one small incriminate of information.

>>691702070
I know that, but just to see it in the sky would be amazing.

The elements that makes every living organism on earth were made in the core of a star

>>691702478
but of course it would be gorgeous for thousands of generations

>>691697677
what a stupid statement that is

are black holes gateways to other galaxies? like a shortcut? was our galaxy formed by another galaxy getting sucked into a black hole?

black holes are insane.

>>691702280
alright uh, the "universe" which is the actual physical matter in the universe is expanding, but the universe, which is the empty space it can expand into is infinite. there is endless nothingness that the matter is expanding into

>>691699399
anything you can imagine regarding universe and "outside universe" is universe. thats what universe means faggot

>>691702779
*literally the most frustrated sigh ever* nevermind

>>691702979
whatever faggot not my fault youre retarded

>>691702637
Bitch you trynna steal my post? But nah, black holes definitely serve some kind of purpose other than just sucking up light.

I don't know if you guys know this but there are these things called humans and some individuals believe they are the centre of the universe

>>691703295
noone believes that

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Does the universe go on forever?

What is outside the universe?

>>691703217
i dont think anything in the universe really serves a purpose, i think it just all exists

>>691703477
nice dubs

>>691700622
>>691700616
>>691700493
>>691699913
>>691699761
>>691699399
>>691700793
>>691702280
>>691702039

Has anyone of you even tried to read up on this? It would suffice to simply read the wikipedia article to get an answer to that question:
https://en.wikipedia.org/wiki/Shape_of_the_universe

tl;dr
there are three possibilities:
-the universe is infinitely large and has a negative curvature
-the universe is infinitley large and has zero curvature
-the universe is finite but has positive curvature thus it still has no boundary

current experiments suggest case 2 since the measured curvature of space lies within measurement error

>>691699523

You mean like avatar?

>>691696323
NOT REMOTELY DEEP

>>691702637
We don't know since black holes absorb light we can't observe it's insides they one big mistery

>>691703094
damage control: maximum override

>>691703595
Break it down a little bit for a retard, what are the implications of curvature?

>>691703217
> purpose
ignorant shit

>>691703595
so i didnt real that whole article, but pretty much what youre saying is there is no edge of the universe, right?

>>691703668
I hope it's like that interstellar movie

>>691703525
Okay mr.definition. Function then. Like how mass creates gravity. Maybe black holes are the reason why the universe is expanding. It's the universe trying to correct its self. Like one big sheet of fabric.

>>691703995
You're a fucking cocksucker.

>>691704086
dude are you okay did you have a stroke?

>>691704086
The universe is expanding because of dark energy, not gravity.

>>691703477
Some people say it is infinite so it doesn't have an "outside"

>>691704199
fuck you cocksucking flaming shit pushing ass raping faggot

>>691698731

>time doesn't even work the same

What do you mean by this?

>>691703954
no curvature means just flat

positive curvature means like the surface of a sphere or a donut, obviously you can travel on its surface without ever hitting a boundary

negative curvature is something like a saddle

but mathematically it comes down to how big the sum of angles of a triangle is in that geometry

>>691704007
yeah

>>691704223
I didn't say it expanded because of gravity. But because of some kind of counter force from black holes. Wich could be dark energy.

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>>691703595
>
So the universe is a black hole? But if the Universe is a black hole, whats a hole that is white?

>>691700440
This

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>>691704444
checked

>>691704444
i dont know vhat they meant, but maybe theyre pointing out that travelling at different speeds causes time to flow differently

>>691704481
Ah, I see. I've always imagined it like a sphere without limits in any direction. Shapeless, but not. Hard to wrap your head around the universe man. I feel like a crackhead when I think about it

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>>691695886
The fact that the universe is an external display of all our minds percieved through our eyeholes back into our minds.

I have a question. Why does gravity and speed affect time? What is time?

If we were to go faster and light and explore space we would never go past our local galactic group since the universe is expanding so fast that it would be expanding faster then we could travel.
The local galactic group is kept together since it exists in a gravity bubble keeping it together

>>691700672

lmao

>>691704010
It's impossible a human or anything can enter a black hole it will undo you molecular estructure if you get near one you'll become a thin line of matter in it's simpler form

>>691696323
Faggot. Also continuing on this some believe that consciousness was made by the universe simply so that the universe could experience/explore itself.

>>691705157
In order to explore the universe effectively we need to bend space/time itself.

>>691703477
We don't know, its mostly accepted that the big bang blast is still expanding all the time. We just don't know if it will keep going, stop, or the universe might fall back in on its self. That all we kinda know.

>>691696323

pseudointellectual 15 year old detected

>>691705046
You just answered it. It's the resut of speed and gravity upon matter.

I was just reading a bit on Big Bang nucleosynthesis and how quarks and leptons were formed during the early stages then came sub-atomic particles snd so on.

It all goes back to energy. Specifically heat. Energy cannot be created or destroyed but if you get something hot enough u can change its state or create I.E. fusion.

So before tge big bang the universe was hot and dense. So who lit the match? How did it get so hot that from energy something physical was created?

>>691696323

>how can mirrors be real if our eyes arent real: the space opera

>>691705045
how can mirrors be real if our eyes aren't real

>>691705046
my best, and flawed understanding of time is:
lets use an example, youre holding an apple above a table, and it takes 1 second for it to hit the table. now a second is just a measurement made up by people, like feet or inches. so for this example we'll pretend that 1 foot is 1 second of fall-time. so as time progresses, the only way you can tell is by how far the apple has fallen. 6 inches down its been half a second. cont..

>>691704610
I don't know how you got the idea that the universe is a black hole, I think it rather resembles a white hole, but don't quote me on that.

>>691697677

I know, right? it's barely 200 pixels wide

>>691705524
now, since the universe has observable laws that are understandable, there is only 1 outcome to the universe. 1 set path it cannot deviate from. so time is simply where you are along that procession

>>691705516
>implying

>>691705318
Mhm mhm I understand what you're saying girl. Also I think it's just kind of an infinite space of nothing that all the stars are kind of extending there reach out to. In a couple billion years everything will be too far apart to see other galaxies (by my theory)

>>691702779

>which is the empty space it can expand into is infinite

How do we know this?

>>691705466
Perhaps our universe is the result of a universe that came once before that collapsed on its self. An endless cycle maybe

>>691705741
if theres something out there its made of something, and so you just go past it until you find nothing

>>691705884
But then that wouldn't explain how the first cycle happened

>>691705514
Underrated

the universe is expanding faster every secont at one point it will expant faster than the speed of light so not even the light will reach other galaxis

>>691704444

I assume he meant something like that they could be living on a massive planet or in orbit of a massive star and experience a radically different flow of time to us, so there could be people out there that receive every message we send over the next thousand years in 1 afternoon as a burst of data because of the time dilation at their part of space, then set off to find us only to find out we've been dead for 50,000 years

>>691705884
this is what i believe

>>691705884
maybe god made earth just for the nat geo channel when he gets bored of playing with a physics engine.

>>691706031
This.

>>691704444
it means that time does not exist. man created time

>>691706063
So eventually we will only be able to see our local cluster. Well when I say we. I doubt the human species or this solar system would Still exist

>>691697677
>"The great atractor"
You're right dude. I put my dick up to the screen and it's like 3 times bigger than the observable universe.

>>691701074

the evidence that we've mounted suggested that cannot happen, unless at some distant point in the future the universe stops expanding, but for the time being the expansion is accelerating as if being pulled apart

>>691697677
Our local group makes up .000000000001% of the observable universe, give or take a zero or two

>>691705285

What's the name of this belief or theory or whatever?

>>691706099
I keked

>>691705685

I understand that much. But why does being close to something really dense affect time for that onject? So does that mean each galaxy has its own time zone that is affected by its center, what is holding it together?

Forget guys about the matter and quarks, how did the heat get there before the big bang? Where did the energy come from? We could be in an endless rebirth cycle and eventually our galaxy will revert back to a single dense point.

But if we find the spark, the origin of energy the rest of the cards fall into place

>>691706474
no man it doesnt affect time, it just affects the rate matter interacts with itself. so clocks appear to run slower, and people age slower

>>691705524

Interesting, thx for that explanation.

I got a question:

From what I've heard, space is expanding. But why is the Andromeda Galaxy on a collision course with the Milky Way if everything is suppose to be moving away from everything else?

Any anons think its weird how the planets are just like floating in blackness

>>691706474
Light bends as it travels through space, so might time

>>691706844
its not really black, its just nothing there for light to bounce off of. theres actually like literally everywhere in the universe

>>691706983
actually light* literally everywhere

>>691706748
Gravity, it keeps our local system clustered together, so we are expanding as a unit

>>691706886

Another question, what is light? Is it energy? Or an effect of energy?

>>691705884
If gravity can surpass the expancion of the universe but the universe is expanding faster every second and gravity isn't becoming stronger

>>691705884
plenty of people believe this theory. there are five ages.
>1. the primordial era, essentially the big band and the rapid expansion that took place after said bang
>2. stelliferous era, the current era, planets and stars exist however by the end of this era all stars will have spent there hydrogen and have become white or brown dwarfs along with neutron stars.
>3. degenerate era, all energy will spread out as heat and become so thin that there will be essential no usable energy left
>4. blackhole era, only black holes remain and soon begin to evaporate through hawking radiation
>5. dark era, basically nothing remains, some speculate that the universe begins to contract and eventually will cause another big bang

>>691705884
The universe has been doing this since aeons.

The universe is like a rubberband. It's stretches until it has reached max cap and then it falls back.

Normally, a rubber band would revert to it's original size but, the universe, while falling back, reaches so much force that it cannot stop itself. Thus, getting smaller and smaller, compressing so much stuff and force in just a tiny little space.


And then it starts stretching again.

>>691706474

the shape of space is warped when energy is collected in one place, and mass is energy. It stretches it like, well, like it's something stretchy with something heavy resting on it. That means that the path that light moving in a straight line would take is now a curved line, which means it covers more distance. Light travels at a constant rate, but now it has to travel further, so that's perceived as a slow down in time because it has to move at the same speed yet now covers less distance in a particular interval. I think.

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>>691706886
Time does bend in space. It is directly affected by speed and amount of space traveled through. If you start 2 stopwatches in sync (NSYNC), then have one in a jet aircraft for 2 hours, the watch that traveled is out of sync

>>691707126
Hmm, well seeming hot things give off light, it could be an effect energy of the heat energy, thats my best guess

>>691707240
What if the rubber band breaks?

>>691707240
Alright, New troll for the /b/. Let's snap the rubberband.

>>691696780
fucking shit m8

I'll go back to jerking off to asians

>>691703595

This is taught in entry level astronomy courses so anyone who studied it will be familiar with the concept.

>>691706585

lawrence krauss is a leader in that field and he thinks that there was no origin of the energy in the universe, because the net energy amount in the universe is zero. That would mean that it doesnt require a source or creation point.

>>691707175
gravity is relative to mass, so the mass of our local system keep us from drifting apart

>>691706748

not everything is moving away from everything else, just as a net measure the universe is expanding. Some parts are moving away from us incredibly fast, some parts barely at all, and the andromeda galaxy is firing at us pretty quickly due to the orbital mechanics of our local cluster of galaxies

>>691707056
The particle that "is" light is the photon the thing you persive as light is a lot of photons hitting your eyers

Do you think that if aliens could get here they would be using microscopic drones or something. Are we looking in the right place?

>>691699399
This is what I have read recently.

Basically, the universe is continuing to expand, but there are pockets where Gravity has won. This means as the universe expands, these pockets expand together. In other words, these pockets are keeping there shape, but space around it is expanding.

Our local group is one or these pockets, and we will not be able to travel a different Galaxy that is outside of our local group. This is because we cannot travel faster than the rate at which space is expanding.

The empty spaces outside our local group is populated by dark matter... Something something dark energy.... Something something dark matter.....


Anyway, there is a lot of interesting Ted talks, YouTube channels, and science articles that cover this.

I would recommend watching anything regarding the Fermi paradox too

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>>691707521
I can see it already. 4chan singlehandedly destroys the universe as we know it.

>>691707503
It can't. As long as there is always the same force/mass in this universe, it's never going to break.


If you would create multiple galaxy sized objects from nothing then, the rubberband could have a chance of breaking.

>>691705685
>tfw no free will

>>691699399
This is what I have read recently.

Basically, the universe is continuing to expand, but there are pockets where Gravity has won. This means as the universe expands, these pockets expand together. In other words, these pockets are keeping there shape, but space around it is expanding.

Our local group is one or these pockets, and we will not be able to travel a different Galaxy that is outside of our local group. This is because we cannot travel faster than the rate at which space is expanding.

The empty spaces outside our local group is populated by dark matter... Something something dark energy.... Something something dark matter.....


Anyway, there is a lot of interesting Ted talks, YouTube channels, and science articles that cover this.

I would recommend watching anything regarding the Fermi paradox too>>691699399
>>691699399

>>691707126

light is a particle and a wave that is the force carrier of the electromagnetic force. When you fuck with an atom, photons pour out as the electrons move around in their orbits and do other atomic shit, they're essentially like little quantum explosions that fire when bits of atoms move around or interact. They carry energy from inside atoms around the universe, often twatting right into other atoms, causing more photons to spill out.

>>691708314
yea but its indistinguishable from free will at this point, we don't have enough information to accurately predict the whole future. we try though, with the weather

>>691699992
Kurstgat - in a nutshell

>>691707240

this simply isnt true. All the data we have shows that the universe isnt just expanding but is in fact accelerating. That means it will expand forever until it reaches maximum entropy and there is no energy in the universe for anything to do anything with.

>>691699399
Everything and nothing.

>what would happen if i like "stepped over
You wouldn't be able to exist at all.
You'd simply fade away.

>>691707353

so time is like justin timberlake, out of nsync and better thought of as an independent entity? interesting

Who the fuck cares. Can't even prove anything about space. It's all guessing.

>>691707238
eventual end: heat death, where the entropy reaches the maximum

>>691707705
For now one day gravity will be overpower by dark energy also gravity isnot from Ethernet mass is a funtion of momentum and energy

>>691706585

>before the big bang

Asking what was before the big bang is a nonsense question. Like asking "what's north of the north pole?"

>>691709026
*from the mass

>>691709083
im not him, but comeon dude its not a nonsense question. to our knowledge matter doesnt just spontaneously exist

>>691708447
I wish textbooks were written like this post.

>>691709083
That's easy; South is North of the North pole and before the big bang was nothing. Actually I recently read an article that a supermassive black hole has the same time signature as the big bang, there's a theory that another Universe is on the other side of each black hole

>>691709083
Yes there was something but we don't know what. I assume it was some kind of physical thing with mass. But how did this mass get there in the 1st place? If E=mc^2 how did the physical particles become energy that caused the big bang? How does say a lepton, start moving at the the speed of light? How do u go from a qualitative measurement to a quantitative measurement?

>>691709790
Same here breh

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>>691708669
>All the data we have

Still isn't a true fact. Scientists can agree on an answer but, if that's really the truth, not even they can agree on that.

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>>691709343
>>691709832
>>691709902

The big bang was the beginning of time itself.
You're asking what was it like "before time."
That's nonsense.

The only way to semi-accurately describe it is to say what it was like "at the point of the big bang."
>pro tip: it was a singularity -- meaning the big bang didn't create energy or matter.

TBH I'm not surprised at all the nonsense itt. We have people in here who actually believe the Big Crunch is a real thing when it has been pretty much conclusively proved to not be happening.

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>>691710179
well, we're all going to die. So whatever.

https://www.youtube.com/watch?v=IAcp3BFBYw4

space ain't real brothers

>>691708923
but I want to fuck sexy aliens

>>691710849
That's the only truth.

>>691711011
that thump is the built in brake

Serious question about space.

I keep hearing different theories about the universe and essentially the one that doesn't make sense to me is that the universe has an edge - usually tied in with the big bang.

How is this possible? I always just figured that the universe was an infinite expanse with literally no end.

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In the beginning, we were but a singular nut searching through the emptiness for satisfaction.

But now look how far we've gotten

>>691696780
>The great atractor

You mean boipucci right?

>>691701074
no. the big crunch isnt really an applicable theory anymore, gravitational forces are accelerating the expansion of the universe not slowing it down......faggot

>>691711272
We just don't know.

>>691711011
that is how gyroscopes work! Congratulations!

>>691711272
Yeah, that's where the 12 y.o. Call-of-Space-duty-kids live.

>How is this possible?
Bad parenting.

>>691702502
Bruh, you just blew my mind.

>>691702502
>evidence
>doesn't post it

bruh

>>691709343
>to our knowledge matter doesnt just spontaneously exist

You're trying to apply the normal laws of physics in a scenario where they do not apply. Furthermore, the big bang didn't create energy or matter.

https://en.wikipedia.org/wiki/Big_Bang#Singularity
https://en.wikipedia.org/wiki/Planck_units#Cosmology

>>691709832
>South is North of the North pole
No, South is south of the North pole.

>before the big bang was nothing
No, it's exactly the opposite. The point of the big bang was a singularity where everything that exists today existed in one infinitely dense point. The big bang didn't create energy or matter.

>>691702502
What is it to undertand about black holes? They are just dense motherfuckers, not some magical gates to other worlds. They are black because light is pulled towards them because of how damn dense they are.

>>691713195
>They are black because light is pulled towards them because of how damn dense they are
Well technically light moves around them in circles because their gravitational fields bend space-time into a perfect circle.

>>691699399
There is nothing.
You cant step over because there is no space there. Nothing means no space so there is nowhere to step to. No time so events cant occur and therefore nothing can occur there. No matter and no energy either. Its not even vacum it just doesnt exist.

>>691696323
Euphoric post my friend.

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>>691706099
this is written almost word for word in the bible

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>>691699399
You might find my secret hidey-hole.

>>691695886
>there's just so much we'll never know and so much we'll never understand
well that's just not true, eventually we will. it's easy to get discouraged because of how most people act and the way they treat each other, but don't give up hope.

>>691711011
>a altitude

this pisses me off the most

All of you people are stupid. Our universe is finite because it's just a simulation a computer capable of running every single physics law.

>>691707126
I think I read somewhere that light, or photons as it were, have there own mass... Red light being less massive and blue light more massive. Can anyone here confirm if this is true or not? Because there's that whole "observable universe accounts for only like >=30% of the mass needed for it to look the way it looks" thing that really bugs me. "Muh dark matter" doesn't quite suffice to me, but I'm an ignorant armchair-cosmologist at best.

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>>691695886

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>>691714220

>>691699992
Veritasium, cgp grey, sci show and sci show space

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https://en.wikipedia.org/wiki/Space_roar