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What’s Out of the Universe?

(Or: What’s on the Other Side of Literally Everything?)

Look up at the night sky long enough and your brain will eventually short-circuit and ask an illegal question:

What’s out of the universe?

Not in the universe. Not near the universe.

Outside the universe.

Congratulations—you have officially annoyed every physicist since 1900.

First of All… What Even Is the Universe?

The universe is everything.

Yes, everything.

Space, time, stars, planets, black holes, dark matter, dark energy, your unfinished homework, and that sock that disappeared in the laundry—all of it.

So when you ask, “What’s outside the universe?” you’re basically asking,

“What’s outside everything?”

That’s like asking what’s outside outside. Or what Wi-Fi a rock uses.

Does the Universe Have a Border?

You might imagine the universe like a giant cosmic box. You travel far enough, hit a wall, and there’s a sign saying:

🚫 END OF UNIVERSE

🚧 UNDER CONSTRUCTION SINCE THE BIG BANG

Sadly (or luckily), science says no such wall exists.

There are three main possibilities:

1. The Universe Is Infinite

This means it just keeps going. Forever.

No edge. No end. No “You Have Reached Your Destination” voice.

So what’s outside it?

Nothing—because there is no outside.

2. The Universe Is Finite but Has No Edge

Think of the Earth. You can walk forever without falling off (unless you trip).

The universe might be similar, just in more dimensions and with fewer coffee shops.

3. We Can Only See Part of It

We can only observe as far as light has traveled since the Big Bang. Beyond that?

More universe. Just… unavailable.

Like premium content behind a cosmic paywall.

What About the Multiverse? 👀

Ah yes—the multiverse.

The theory that says, “What if one universe isn’t confusing enough?”

According to this idea:

There might be other universes

With different laws of physics

Where gravity works sideways

And maybe somewhere, your parallel self actually finishes tasks on time

So what’s outside our universe?

Possibly… other universes vibing in their own realities.

Any proof?

Nope.

But it does sound cool, so we keep talking about it.

Is There Just… Nothing?

You might imagine the universe floating in a sea of pure nothingness.

But physics hates “nothing.”

Even empty space has:

Energy

Quantum fluctuations

Tiny particles popping in and out like they forgot why they came

So “nothing” is apparently very busy.

True, absolute nothingness might exist…

or it might break our brains so badly that the universe refuses to explain it.

Time Makes It Worse

Here’s the real twist:

Time itself is part of the universe.

So asking:

What was before the universe?

What’s outside the universe?

…might be meaningless.

No time = no before

No space = no outside

The universe isn’t in something.

It is the something.

So… What’s Out of the Universe?

The official scientific answer is:

🥁 drumroll 🥁

We have no idea.

It could be:

Nothing

Everything

Other universes

Or a concept humans simply aren’t built to understand

Or Crazy Pooping Bananas Sitting on the Cosmic Toilet Wating for us to eat ourselves entirely.

Which is honestly rude of reality, but here we are.

Final Thoughts (Before Your Brain Explodes)

Asking what’s out of the universe is like asking:

What’s beyond infinity?

What sound silence makes

Or why group projects exist

There may never be a clear answer—and that’s okay.

Because sometimes the universe isn’t meant to be fully understood…

it’s meant to be wondered about, argued over, and googled at 3 a.m.