r/universe

Any ideas?I haven't really heard much on this topic from anyone

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I couldn't sleep last night, and I caught myself thinking about something that still hasn't left my mind.

Somewhere in the Indian Ocean, there is Sentinel Island. People from the Stone Age live there. To them, their entire world is that island. They know about the ocean, but they can't sail very far: their boats are fragile, the currents are strong, and beyond the horizon lies an unknown that would most likely destroy them. They know nothing about continents, other countries, or satellites in the sky. They don't need to. Their world is closed, understandable, and finite.

Now, think about this. Here we are in 2026, looking through telescopes and launching rockets. But how far can we actually travel? Reaching Mars takes years. Leaving the Solar System takes decades. Getting to the nearest star would take hundreds of thousands of years. To us, the Universe is the same ocean surrounding Sentinel Island. We can see it. We know it's there. But physically, we cannot cross it. Scientists say the Universe may be infinite. Or maybe it isn't... Maybe it has an edge.

But if it does have an edge, what's beyond it? Empty space? A wall? Another universe? We don't know. And perhaps it's more comforting to believe that the Universe is infinite, because admitting that it's finite would mean admitting that we're trapped, just like the Sentinelese. Only our island is 13.8 billion light-years across.

And then it gets worse. What has always frightened me wasn't death itself, but infinity after death. Not in a mystical sense, but in a mathematical one. Imagine that after death there is something (it doesn't matter what—heaven, reincarnation, another reality, etc.), and it lasts not for a hundred years, not for a billion, not for a trillion, but forever. FOREVER. Our brains simply aren't capable of processing that—they just freeze.

And do you know what's truly terrifying about it? If infinity really exists, then any state, even the most blissful one, would eventually become torture after an unimaginable amount of time, because there would be no way out. The only exit we know is the one we have here: life is finite, and that's exactly what makes it valuable.

So here's my hypothesis: We are the Sentinelese of space. Our island is the Universe. Our boats are rockets. And our ocean... is space-time.

Maybe that's why we're so afraid to think about what existed before the Big Bang. Because there, too, there is nothing, and our brains only know how to exist within something.

What do you think? If the Sentinelese had writing and science, would they come up with a theory that their ocean is infinite? Or would they accept that it's finite?

Don't throw tomatoes at me—it's just some late-night philosophy that turned out to be more interesting than the TV series I was supposed to be watching.

The Carl Sagan’s phrase “We are made of stardust” got me hooked. I’ve heard about it before as well but at some point i have a desire to explore it deeply, to get to the essence of his words.
The more you dive into this topic, the more details appear.
The origin of dust and gas is a moment where the concept of star matter comes into effect. A significant part of the material that later formed the Solar System consist of hydrogen and helium, the elements that have existed since the early stages of universe. However, the more complex and heavy elements such as carbon, oxygen, nitrogen, iron and others first appeared much later, approximately the hundreds of millions of years after the Big Bang. At that moment hydrogen and helium started to collapsing under gravity and gave rise to the first generation of starts. The formation of elements first began to form exactly inside the stars.
There were multiple of reactions of nuclear fusion under the immense influence of pressure and temperature, light elements slowly fused into heavier ones. This is how the complexity of matter was born, forming the basis of everything around us.
When a star runs out of fuel and breaks apart, it releases all the material that was once inside it into space. This material becomes the raw material for future generations of stars, planets, and star systems. Thus, the universe works like a continuous cycle: starts are born from the remnants of previous generations, the exhaustion of their fuel, explosion and the dispersal of matter back into space – from this, new systems gradually form, and ultimately the Earth emerges. Over time, life arises from the same recycled stellar materials.
The phosphorus is also take place in our structure. For instance, iron in our blood was formed deep inside a massive star once upon a time. Then its explosion was able to outshine an entire galaxy like the Milky Way due to its power. As a result, everything we perceive as living or non-living is actually made from the remnants of long-dead starts.

“As Carl Sagan said:
The nitrogen in our DNA, calcium in our bones, iron in our blood and carbon in our apple pies was originated deep inside collapsing stars. We are made of stellar materials.”

“Lawrence Krauss:
Every atom in our body was formed from exploded star. Perhaps, the atoms of your left hand belonged to another star than those in right hand. It’s the most poetic thing i know about physics: we all are a stardust. “

Hey Reddit!

I’m not a professional physicist, just a guy with a solid analytical mind. While recovering from a brutal 1-liter-of-whiskey hangover, my brain connected M-theory, black holes, and thermodynamics into a dark, crazy model. No ethical BS, just pure logic. I call it the Anti-Parasitic Localization Model.

Here is the no-nonsense breakdown of why our world is a cosmic mousetrap, why TON 618 is a giant tick, and why your consciousness is just the wind behind a speeding car.

1. Time Doesn't Exist (Sorry, Einstein)

First, let's drop the sci-fi cliché about time being the "fourth dimension". Time is a total illusion. It’s just a way to measure the movement of matter.

No stuff moving around = no changes = no time.

If you look at pure geometry, reality looks like this:

• The Bulk: A massive, eternal 10-dimensional spatial ocean (10D) packed with pure energy. Time doesn't exist there; everything just is.
• Our Universe: A tiny, broken 3D glitch, a literal spatial "scar" on the body of the Bulk.

When a part of the Bulk glitches and 7 of its dimensions collapse into a microscopic knot, a ton of energy gets trapped in a tight 3D cage. Boom — Big Bang. The trapped energy starts violently bouncing off the walls, trying to expand the cage. We look at this chaotic atomic traffic and call it "the flow of time."

2. TON 618 is a Massive Cosmic Tick

The crazy energy density of the 10D Bulk naturally breeds gravitational monsters. Here is the real hierarchy of reality:

The Bulk (10D) → Black Holes (The Apex Predators) → Scar-Universes (3D Glitches)

Black holes are not 3D spheres. They are full 10-dimensional beasts. In the Bulk, a black hole is a massive parasite. Floating in an endless ocean of energy, it just sits there and eats forever. It can’t die or evaporate because the food supply from the Bulk is infinite. They are like cancer tumors of the hyperspace.

The monster TON 618 is a native citizen of the Bulk. It got fat on Bulk energy long before our Universe even sparked.

When a parasite gets too big, the Bulk triggers an immune response. The 10D space cracks and wraps a 3D scar-cocoon (our Universe) right around the monster. The mouse trap snaps shut. For us, TON 618 looks like a terrifying sphere, but in reality, it’s a 10D drain pipe piercing our world on its way to the Bulk. Our Universe is a quarantine zone meant to cut the parasite off from the Bulk’s infinite power grid.

3. The Death of the Cosmic Matryoshka

Once trapped in our 3D cage, TON 618 keeps eating our stars, gas, and galaxies. The density inside its singularity becomes so extreme that it turns inside out, triggering a new Big Bang and birthing a daughter universe inside it. But if you think this "Matryoshka doll" goes on forever, you are wrong. Thermodynamics is a harsh b*tch:

1. Stellar Black Holes are Useless: Small black holes born from dying stars are too poor. They don't have the Bulk's energy. They can't birth new worlds; they will just evaporate via Hawking radiation

2. Energy Deprivation: Because TON 618 is locked in our 3D cage, it can't plug into the Bulk's battery anymore. The energy inside it is limited. The daughter universe inside it gets a pathetic budget. It won't have enough energy to spawn another monster like TON 618.

3. Game Over: The daughter world quickly dies out. TON 618 wastes all its fuel on this single final cycle and completely evaporates, spitting its mass back into the Bulk via gravitons.

4. How the Drain Pipe Works

In our 3D scar, gravity behaves weirdly because it’s constantly pulled by the 10D space outside. According to modified Einstein equations on a brane, our 3D space experiences permanent geometric tension from the Bulk's Weyl tensor projection. It’s like a physical pressure from the outside world.

The total mass-energy balance of our isolated cage depends on three things: the initial Big Bang energy, the massive energy drain through TON 618, and the slow Hawking evaporation of smaller black holes.

Since the daughter universe inside TON 618 cannot breed new high-order parasites, the cycle ends. As time goes to infinity, all matter inside the scar breaks down and leaves the Universe via gravitons. The 3D scar completely clears out all trapped mass, flattens out, and heals, becoming a clean part of the 10D Bulk again.

5. Consciousness is Just the Wind Behind a Car

In this cold architecture, what the hell is human consciousness? It's not a soul. It's just a byproduct of the trap — a quantum noise.

Think of a speeding car. Its goal is to move from point A to point B. But it moves so fast that it inevitably stirs up the air, creating wind. The car didn't "try" to make wind; it just happened.

Our atoms are jammed in a tight 3D cage and forced to move at insane speeds just to keep our biological bodies alive. This heavy atomic traffic creates an information vortex. This "quantum wind" is what we feel as our "Inner Self." We are just a passive screen watching a movie projected by moving matter.

When the drain pipes (black holes) finish siphoning all matter back to the Bulk, the movement stops. The car parks — and the quantum wind of consciousness goes silent forever. The Bulk wins, and perfect order is restored

Hear me out tho. Say some advanced alien civilization drops me at a completely random point in the universe. I have all the tech needed for deep space travel. Can I find my way back to Earth?

My first instinct was sure, just locate the Milky Way and work backwards. Earth is in the Solar System, Solar System is in the Orion Arm, roughly 26,000 light years from the galactic center. Simple enough chain to follow, right?

But here's where it collapses. The universe has no center, no fixed origin, no absolute coordinate grid. Every positioning system we use is relative to something else. There is no universal address for the Milky Way that exists independently. So step one of the plan is already conceptually broken before I've moved an inch.

Then there's the randomness problem. The observable universe is 93 billion light years across with roughly 2 trillion galaxies, and most of it is just empty void between galaxy clusters. A truly random drop most likely puts me in the middle of nowhere with nothing visible to even orient myself against.

And even if I could see galaxies around me, identifying which specific smudge of light is the Milky Way is genuinely unsolved. We have never observed our own galaxy from the outside. We don't know what it looks like from arbitrary external angles.

The whole premise assumes the universe has an addressing system. It doesn't. Has anyone actually thought about what navigation would even mean in this scenario?

Premise: Suppose there exists a spherical region of spacetime with a radius of 2 meters where all quantum fields are entirely absent, with one crucial exception: the Electromagnetic (EM) Field is preserved within the zone so that light can still propagate and visual observations can be made. Gravity remains normal.

The Boundary and Visibility Paradox

The Baseline Scenario (No EM Field): If the EM field were also removed, the sphere would be a zone of absolute, pitch-black darkness. It remains an open question whether sunlight hitting this absolute void would cast a physical shadow on the ground.

The Current Dilemma (Preserved EM Field): Restoring the EM field allows light to pass through perfectly, rendering the sphere entirely transparent and invisible. Because it is visually undetectable, an observer could easily wander into it by accident.

Proposed Solution to the Hazard: To prevent accidental entry while keeping the internal EM field intact, we must introduce a passive detection mechanism. A hypothetical fix would be a Refractive Index Shift at the boundary interface. By introducing a minute gravitational or spatial gradient right at the 2-meter perimeter, light passing through would bend slightly, creating a subtle, shimmering "lens effect" (similar to a heat mirage) that alerts observers to its presence without changing the internal physics.

Core Investigation and Constraints

Fundamental Question: Can physical matter even cross the boundary of this fieldless region (REGARDLESS of what happens at the point of contact with the boundary), or would objects just bounce off its perimeter as if hitting a rigid, solid structure?

If matter can go through the sphere's surface instead of bouncing off, analyze the physical outcomes of the following four experimental interactions, once they touch or cross the surface boundary of the sphere:

1. Splashing Water on the Sphere
2. Throwing a Rock at the Sphere
3. Shining a Flashlight Through the Sphere
4. Stepping Inside the Sphere

My question maybe more philosophical and if taken down, pretty sure life will go on. I once asked, what purpose to planets like Venus and Mercury serve? The only response I remember was something like, ever think Mercury and Venus wonder what purpose do humans serve?

I was just reading on an astronomy sub, apologies if incorrect, planets are basically left over material from the creation of stars that over X number of years binded together. Ok fine. So the importance or significance of stars is what? I know our star is keeping us alive now, but isn't it eventually going to be responsible for evaporating the oceans and making Earth like Mars?

Long story, a little less long, is there a theory or belief that every star at one point or another has, or one day will support some kind of life of any sort?

We have no idea if there is any life in the universe apart from earth and if there is life of it has the possibility of becoming conscious.
Seeding the universe with DNA based life could be the start of live in multiple places in the universe and by the time the earth no longer exist live might have found a foothold elsewhere.
Isn’t this on almost sacred task that we have as humans ?
We have the technological capability to do this at this moment but this window of opportunity might close again.
So please, Elon Musk, Jeff Bezos and others that have more money then they know what to do with please make this happen and make us laugh ok at the stars KNOWING that we’re not always gonna be alone !

So I was reading about the Papua New Guinea fireball

from 2014 and I had no idea this thing was actually

confirmed to have come from outside our solar system.

Like it physically hit Earth and the data proving where

it came from sat in classified military satellites for

years until a Harvard guy basically dug it out.

That alone is weird enough. But then I found out about

Oumuamua. Then 3I/Atlas in 2025.

Three of these things. In one decade.

For basically all of human history we had zero ability

to detect interstellar objects passing through. We just

couldn't see them.

So we find three almost immediately after developing

the tools to look and people aren't more freaked out

by this?

The part that got me was SETI literally pointing the

Allen Telescope Array at 3I/Atlas and scanning it for

artificial signals. They don't do that for random rocks.

They heard nothing btw.

I don't know what to make of any of this honestly.

Anyone here looked into this stuff? What's the actual

scientific consensus on where these things are coming from?

When we look at our Solar System, Earth appears to be the only planet that supports life. The other planets are barren, lifeless worlds with environments too extreme for known organisms. This suggests that Earth's unique combination of conditions—its position in the habitable zone, the presence of liquid water, a protective atmosphere, and long-term climate stability—played a crucial role in the emergence of life and, eventually, consciousness.

Scientists have also discovered thousands of exoplanets, yet we still have no confirmed evidence of life beyond Earth. While this doesn't prove life is rare, it does highlight how special the conditions on Earth seem to be. Even a relatively small change in Earth's distance from the Sun or its environmental conditions could have made complex life impossible, just as on the other planets in our Solar System.

This raises an interesting philosophical question: Is life simply the result of a cosmic lottery? Out of trillions of planets that may exist in the universe, perhaps a small fraction happen to possess the right conditions for chemistry to evolve into biology, and eventually into conscious beings. If that's the case, then consciousness may not be an intentional feature of the universe, but rather an accidental outcome of rare physical conditions and immense cosmic probability.

What do you think? Is consciousness an inevitable consequence whenever the right conditions exist, or is it an extraordinarily rare accident that only happened because Earth won the cosmic lottery?

Yes I have seen that this has been asked many times and explained, but the explanations don’t make sense still so…

My first problem is that there are contradictions. Some explain that the universe is expanding, some say it’s infinite. Which is it? I will gladly except that the observable universe is expanding due to how we observe light, the timeline of the CMB, etc. and the universe itself is infinite. I’ll also except that the universe is infinite in the sense that it will expand forever and that the constant (or accelerated) growth is what defines it as infinite in the same way that one can count forever.

I read that space is expanding everywhere in every direction, which is why there is no center point. This makes sense for the observable universe but not the entire universe which was once much smaller. The Earth vs Earth’s crust or ballon theories assume that everything is on the edge of the universe, not somewhere between the center and edge or closer to the center. If the Earth expands to 3x its diameter, Australia becomes 3x further away, Canada does not (I’m in the US). I could use paralax to determine the center of the world based on that just as Hubble’s law should allow me to use paralax to find the center of the universe. In my mind, the only way we can’t find the center of the universe is if ythe observable universe is all on the same side of the universe and is only a small portion of the universe, which would mean the CMB doesn’t have much to do with the age or size of the universe, only the observable universe or that we are in the center of the universe.

EDIT: Thank you all for your responses. There were two things I didn’t understand and now do. First is that the universe is not expanding from one location but is expanding from every location. Many of the analogies did not explain this part. I have created a graphic (in a below reply) that should help understand that if there is a center, we will never find it. The second confusing part is that so many articles I’ve read leave out the “observable” part when discussing the size of the universe.

EDIT 2: The third thing I didn’t understand is that I always pictured the universe to be a growing ball, with everything being inside the ball. Using the balloon analogy, with the universe being the skin, changes things.

Now that I properly understand the theory of the expansion of the universe, I have more questions…

An article from NASA on 6/16 (Why the Universe is Expanding Faster), the article states that dark energy is “an unsettling force that speeds up the separation of all galaxies.” And “this acceleration proves that dark energy overcomes the inward pull of gravity.”

Doesn’t this contradict why Andromeda is getting closer to us? Or is there no dark energy between us and Andromeda?