Teoria diz que universo surgiu em buraco negro gigante

Universe May Have Emerged Inside A Giant Black Hole, Theory Challenges The Big Bang Model

Written by Caio Aviz

Published on 10/06/2025 at 17:06

Representação artística de buracos negros se aproximando para fusão em meio a uma densa nuvem de gás e poeira interestelar

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Theory Proposes That The Universe Was Born Inside A Black Hole, Challenging The Big Bang And Offering New Answers About The Origin Of The Cosmos

At first, surprisingly, an alternative theory to the Big Bang suggests that the universe was born in a black hole, within a “parent” universe.

On June 9, 2025, journalist Raphaela Seixas explained that this hypothesis expands on the idea of classical singularity, considered the starting point of the Big Bang.

Thus, the Big Bang would cease to be the absolute origin of time and space. It would become an event internal to a much larger structure.

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Hypothesis of Natural Cosmological Selection

Furthermore, the hypothesis called “natural cosmological selection” was proposed by physicist Lee Smolin. It brings bold and challenging implications.

The theory states that black holes generate new universes, called child universes, within themselves.

According to Smolin, these universes inherit the physical laws of their predecessors. Thus, a kind of “cosmic evolution” would occur between black holes and new universes.

Moreover, this approach attempts to answer unresolved questions, such as dark matter and the universe’s extreme flatness.

For Smolin, those universes with laws more favorable to the formation of stars and black holes would be more common, as they reproduce more.

Cyclic Models and Bounce Cosmology

Additionally, other similar proposals explore infinite cycles of expansion and contraction. These ideas are known as bouncing cosmology models.

In them, the universe goes through phases of collapse and rebirth in a constant sequence, as if it were “pulsating.”

Primordial black holes would play an essential role in this process. They act as restart points for each new cycle.

Moreover, loop quantum gravity theory eliminates the initial singularity of the Big Bang. It proposes a cosmic “bounce” instead.

According to a recent study published on June 8, 2025, in the journal Physical Review D, our universe arose this way.

The gravitational collapse of a previous universe, inside a giant black hole, is said to have given rise to the current cosmos.

This energetic transition may explain cosmic inflation and the acceleration of the universe, both attributed to dark energy.

Observational Evidence and Current Limitations

However, these theories still lack observational confirmation. But scientists believe that this may change with future detections.

Models like this predict stochastic gravitational waves. With advancements in measuring instruments, these waves may be detected in the coming years.

At the same time, advocates of the classical Big Bang emphasize its solid foundations. Among these are the expansion of the universe and the cosmic microwave background radiation.

This radiation, first detected in 1965, dates back approximately 380,000 years after the beginning of the observable universe.

Therefore, any alternative theory needs to explain all these data with equal or greater precision.

Perspectives and Future Investigation

At the same time, scientists who support the traditional model of the Big Bang remind us that it has very strong scientific foundations.
For example, it explains well the expansion of the universe and the cosmic microwave background, a type of “echo” from the beginning of the cosmos.
This radiation was discovered in 1965 and emerged about 380,000 years after the birth of the universe.
Therefore, any new theory must explain these same phenomena with the same precision or even better.

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Universe May Have Emerged Inside A Giant Black Hole, Theory Challenges The Big Bang Model

Theory Proposes That The Universe Was Born Inside A Black Hole, Challenging The Big Bang And Offering New Answers About The Origin Of The Cosmos

Hypothesis of Natural Cosmological Selection

Cyclic Models and Bounce Cosmology

Observational Evidence and Current Limitations

Perspectives and Future Investigation

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Universe May Have Emerged Inside A Giant Black Hole, Theory Challenges The Big Bang Model

Theory Proposes That The Universe Was Born Inside A Black Hole, Challenging The Big Bang And Offering New Answers About The Origin Of The Cosmos

Hypothesis of Natural Cosmological Selection

Cyclic Models and Bounce Cosmology

Observational Evidence and Current Limitations

Perspectives and Future Investigation

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A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

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