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Space & Astronomy

Does the Earth reside within the depths of a black hole ?

By T.K. Randall
June 18, 2023 · Comment icon 8 comments

Are we all living inside a black hole ? Image Credit: CC BY-SA 2.5 Alain r
It might sound unthinkable, but is our universe simply the interior of a black hole that is situated within another universe ?
What ultimately happens to everything that gets consumed by a black hole remains something of an enigma - is it all compressed into an infinitesimally small point in space ? Does it emerge somewhere else ? Is the inside of a black hole like a universe unto itself ?

Perhaps most intriguingly of all - are we actually inside one right now ?

Physicists have been attempting to understand the nature of our universe for centuries, but one theory that hasn't really been discussed that much contends that the Earth (and by extension our entire universe) is actually situated inside of a black hole (which is itself located within another universe).

Like Russian nesting dolls, perhaps universes can exist inside one another and black holes are the key.
But if this is true, how could the Earth have made it intact into a black hole without being "spaghettified" ? The answer could simply be that we have been here all along.

Some scientists believe that the Big Bang was simply the singularity of a black hole in a parent universe and that our own universe went on to expand and develop inside it.

Perhaps every black hole represents another universe that exists within - making every universe a 'multiverse' in its own right.

This could help to explain what our universe is expanding into (i.e. the host universe) as the black hole expands, though it does beg the question - how did such a system get started ?

Like most theories, it pushes back the true 'beginning' of the cosmos - if our universe wasn't the first and the parent universe of our black hole wasn't the first, then what was and how did it come to be ?

Source: Live Science | Comments (8)

Recent comments on this story
Comment icon #1 Posted by OverSword 3 months ago
That is a great theory. So if we live in a pocket universe then presumably the black holes we can see are taking matter from our own universe and creating their own? Talk about infinity. 
Comment icon #2 Posted by joc 3 months ago
It's interesting to think about...but I think it hasn't been talked about too much because it isn't a 'theory' that fits into an equation that an astrophysicist could say...well...maybe.  But then again, maybe it does...I don't know. But, playing along with that thought... blackholes inside of blackholes, inside of blackholes...imagine,  all of that happening more liken unto a Mandelbrot Set  where, not only are their infinite Universes...every Universe is creating duplicate universes for all eternity, that, none of this ever had a beginning and it doesn't have an end.  
Comment icon #3 Posted by Portre 3 months ago
It's turtles all the way down.
Comment icon #4 Posted by Harte 3 months ago
IIRC, this hypothesis of the universe itself being a black hole arose with the argument of the curvature of the universe - positive, negative or flat. Negative would constitute a singularity (unless I have it confused.) I believe the question was settled with the discovery and confirmation of the fact that the expansion of the universe is accelerating, meaning the curvature would be positive. So unless this involves something else, it's just an old hypothesis long discarded that has been dressed up to recycled as a bit of content. Harte
Comment icon #5 Posted by Nicolette 3 months ago
Seems like they could really be holes. I have wondered before if the density of black hole could have been too much. If gravity is a field that bends as they say whats to stop a dense spot from ripping through and leaking the contents into another layer like a drain in a bathtub. I mean it would explain why most galaxies look like debris swirling into the hole in the center. I know nobody cares about my opinion but i dont agree that we should assume the universe is evenly expanding, i think redshift has been assessed incorrectly. If this was the case we wouldnt have things like colliding galax... [More]
Comment icon #6 Posted by iAlrakis 3 months ago
I guess it's 1 of the many possibilities.  Although how I see things it's hard to say wether it's really in the black hole or whatever it would lead to that we are living. Did a lot of reading about the universe for many years but I've no scientific way of explaining how I like to think about what's out there.  So an amateurish deion will have to do :-) might also make it easier to understand what i'm referring to for other people like me. Personally I see blackholes (existing in the 3 dimensional space) as a sort of door to a higher dimensional place (like yeast creating bubbles in dough but ... [More]
Comment icon #7 Posted by iAlrakis 3 months ago
good to see that's not stopping you from sharing your ideas :-) Like your way of thinking 
Comment icon #8 Posted by joc 3 months ago
Actually...and I  am treading lightly here because...unless I'm dreaming this in some weird coma, I am in the process of correcting the one and only @Harte... ...there  is a zero curvature to the universe...i.e. the universe is flat.  We know this precisely because the expansion of the universe is  accelerating...perhaps faster than the speed of light. The current theoretical belief (because it is predicted by the theory of cosmic inflation) is that the universe is flat, with exactly the amount of mass required to stop the expansion (the corresponding average critical density that would just s... [More]

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