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A Scientist Thinks the Universe Bounced Out of a Black Hole
Popular Mechanics ^ | Jun 13, 2025 | Darren Orf

Posted on 06/14/2025 8:16:24 PM PDT by nickcarraway

Here’s what you’ll learn when you read this story:

A new hypothesis from physicists at the University of Portsmouth in the U.K. challenges the long-standing Big Bang Theory as the ultimate origin of the universe.

This new “Black Hole Universe” hypothesis, suggests that our universe possibly “bounced” from the formation of larger black hole in another parent universe.

While intriguing, the Big Bang Theory is the undisputed cosmological champ for a reason, so it'll take lots of rigorous experiments to confirm its theoretical conclusions.

Throughout human history, there has been no greater question than “where do we come from?” This existential curiosity has spawned entire religions, philosophies, and (more recently) serious scientific inquiry. Amazingly, as science and technology have progressed over the past century, we’ve begun to actually answer that age-old question. Thanks to groundbreaking discoveries in the 20th century—not the least of which was the accidental discovery of the cosmic microwave background in the 1960s—we now know that the universe most likely formed from a rapid expansion of matter known formally as the Big Bang.

But just because the Big Bang is our best answer for the beginning of everything, that doesn’t mean it’s the only one. In the early years, the main competitor to Big Bang Cosmology was the Steady State Universe (though the discovery of the CMB largely put that idea to rest). But in recent years, new alternatives have emerged to challenge the Big Bang’s cosmological supremacy. One of the latest in this contrarian family is detailed in a new paper published in the journal Physical Review D, in which physicists from the University of Portsmouth in the U.K. theorize that maybe our universe formed within an interior black hole of a larger parent universe.

Comparisons between black holes and the cosmology of our universe make some sense—after all, both contain singularities of a sort and horizons beyond which we can’t hope to glimpse. However, this new theory, which is called the “Black Hole Universe,” suggests that our black hole-generated universe is just one step in a cosmological cycle driven by gravity and quantum mechanics.

“The Big Bang model begins with a point of infinite density where the laws of physics break down. This is a deep theoretical problem that suggests the beginning of the Universe is not fully understood,” Enrique Gaztanaga, lead author of the study from the University of Portsmouth, said in a press statement. “We’ve questioned that model and tackled questions from a different angle—by looking inward instead of outward. Instead of starting with an expanding Universe and asking how it began, we considered what happens when an overdensity of matter collapses under gravity.”

The genesis of this theory and others like it stems from the fact that we simply don’t know what goes on the heart of black hole. And because knowledge (like nature) abhors a vacuum, scientists begin crafting hypotheses in an attempt to understand this unknown. In Gaztanaga and his team’s case, they’ve shown that a gravitational collapse doesn’t necessarily end in a singularity, but can instead “bounce” into a new expansion phase.

“Crucially, this bounce occurs entirely within the framework of general relativity, combined with the basic principles of quantum mechanics,” Gaztanaga’s team said in a press statement. “We now have a fully worked-out solution that shows the bounce is not only possible—it’s inevitable under the right conditions. One of the strengths of this model is that it makes predictions that can be thoroughly tested.”

As a science coordinator on the ESA mission Analysis of Resolved Remnants of Accreted galaxies as a Key Instrument for Halo Surveys, or ARRAKIHS (a true master-class in science acronym-ing), Gaztanaga hopes to use the instrument’s ability to analyze ultra-low surface brightness structures in the outskirts of galaxies to see if data points to a “Black Hole Universe” or the undisputed scientific champ, the Big Bang.

Presenting alternative ideas to long-standing theories is a key function of the scientific method, as it rigorously tests what we think we know from new angles. Even if ARRAKIHS confirms our Big Bang suspicions (as it most likely will), this alternative hypothesis still take us one step closer to truly understanding a question that’s followed our species for hundreds of thousands of years.


TOPICS: Astronomy; Science
KEYWORDS: astronomy; darkenergy; darkforce; darkmatter; physics; science; speedofdark; stringtheory
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1 posted on 06/14/2025 8:16:24 PM PDT by nickcarraway
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To: nickcarraway

Where did the black hole come from?


2 posted on 06/14/2025 8:19:33 PM PDT by Harmless Teddy Bear ( Not my circus. Not my monkeys. But I can pick out the clowns at 100 yards.)
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To: nickcarraway

Stuff you can’t even imagine since it lies quite literally outside of everything always makes a good conversational topic.


3 posted on 06/14/2025 8:21:06 PM PDT by SpaceBar
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To: nickcarraway
You can come up with many interesting theories with a few drinks and a lot of technobabble.

4 posted on 06/14/2025 8:23:16 PM PDT by BitWielder1 (I'd rather have Unequal Wealth than Equal Poverty.)
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To: Harmless Teddy Bear

‘ Where did the black hole come from?’

When a mommy black hole loves a daddy black hole, very much, their mass fits together in kind of a special hug.


5 posted on 06/14/2025 8:24:42 PM PDT by Fuzz
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To: All

So, I take it they have totally discarded my flying spaghetti monster theory.


6 posted on 06/14/2025 8:25:28 PM PDT by BipolarBob (I don't have any bad habits. I'm good at them all.)
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To: nickcarraway

More likely that Darren Orf was dropped on his head when he was born...
Sad...


7 posted on 06/14/2025 8:39:46 PM PDT by SuperLuminal (Where is rabble-rising Sam Adams now that we need him? Is his name Trump, now?)
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To: nickcarraway

Oddly I believe in the Big Bang theory as it makes sense in what we now observe in our universe.

However, until they can explain how a universe became from nothing and what was before the big bang no one knows. Physists have been scratching their asses for many years trying to answer the question of what was before the big bang.

Perhaps God has a sense of humor.


8 posted on 06/14/2025 8:41:54 PM PDT by cpdiii (cane cutter, deckhand, oilfield roughneck, drilling fluid tech, geologist, pilot, pharmacist ,MAGA)
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To: nickcarraway

At the Big Bang, and the newborn universe started expanding, into what did the baby universe expand?

And if the universe emerged from a black hole in the interior of another universe, did the other universe itself emerge from yet another black hole in the interior of a third universe? Holy smokes.


9 posted on 06/14/2025 8:41:59 PM PDT by piasa (Attitude adjustmilents offered here free of charge)
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To: BipolarBob
So, I take it they have totally discarded my flying spaghetti monster theory.

Try adding some soy sauce.

Raman.

10 posted on 06/14/2025 8:42:22 PM PDT by Harmless Teddy Bear ( Not my circus. Not my monkeys. But I can pick out the clowns at 100 yards.)
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To: Harmless Teddy Bear

(for the thread)

John 1:1-5
King James Version

1 In the Beginning was the Word,
and the Word was with God,
and the Word was God.

2 The same was in the
Beginning with God.

3 All things were made by Him;
and without Him was not
any thing made that was made.

4 In Him was Life;
and the Life was
the Light of men.

5 And the Light
shineth in Darkness;
and the Darkness comprehended it not.

https://www.biblegateway.com/passage/?search=John%201%3A1-5&version=KJV


11 posted on 06/14/2025 8:50:33 PM PDT by SaveFerris (Luke 17:28 ... as it was in the Days of Lot; They did Eat, They Drank, They Bought, They Sold ......)
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To: Harmless Teddy Bear
Where did the black hole come from?

Sol's seventh planet...

12 posted on 06/14/2025 8:56:24 PM PDT by null and void (Democrats: fake news, fake presidents, fake beliefs, fake policies, fake protesters & fake voters!)
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To: null and void

Caelus?


13 posted on 06/14/2025 9:02:28 PM PDT by Harmless Teddy Bear ( Not my circus. Not my monkeys. But I can pick out the clowns at 100 yards.)
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To: nickcarraway
But in recent years, new alternatives have emerged to challenge the Big Bang’s cosmological supremacy.

How are we supposed to “trust the science” when “the science” keeps changing/getting it wrong?

14 posted on 06/14/2025 9:39:30 PM PDT by DoodleBob (Gravity's waiting period is about 9.8 m/s²)
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To: nickcarraway
They twist themselves into ridiculous pretzel shapes to avoid facing the truth.

15 posted on 06/14/2025 9:44:46 PM PDT by Governor Dinwiddie ( O give thanks unto the Lord, for He is gracious, and His mercy endures forever. — Psalm 106)
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To: nickcarraway

>> A Scientist Thinks the Universe Bounced Out of a Black Hole
>> Scientists Are Getting Closer to Finding Evidence of the Fifth Force

Your scientists are idiots.


16 posted on 06/14/2025 9:54:45 PM PDT by Nervous Tick (Hope, as a righteous product of properly aligned Faith, IS in fact a strategy.)
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To: SaveFerris

THIS

Yes and Amen!


17 posted on 06/14/2025 9:55:49 PM PDT by Nervous Tick (Hope, as a righteous product of properly aligned Faith, IS in fact a strategy.)
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To: Harmless Teddy Bear

A “Chicken or the egg” question.


18 posted on 06/14/2025 9:59:16 PM PDT by CapnJack ( )
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To: BipolarBob
So, I take it they have totally discarded my flying spaghetti monster theory.

They are all heretics now!

19 posted on 06/14/2025 10:03:11 PM PDT by 17th Miss Regt (Fascist, deplorable, and proud of it!)
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To: Nervous Tick

IF people could just grasp that set of verses

They’d stop all of the silly pursuits about that stuff

God bless


20 posted on 06/14/2025 10:53:37 PM PDT by SaveFerris (Luke 17:28 ... as it was in the Days of Lot; They did Eat, They Drank, They Bought, They Sold ......)
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