Is there something beyond the universe?

Author: Anthony Moen  |  Last update: Saturday, November 20, 2021

The universe, being all there is, is infinitely big and has no edge, so there's no outside to even talk about. Oh, sure, there's an outside to our observable patch of the universe. The cosmos is only so old, and light only travels so fast. ... The current width of the observable universe

observable universe
The comoving distance from Earth to the edge of the observable universe is about 14.26 gigaparsecs (46.5 billion light-years or 4.40×1026 m) in any direction. The observable universe is thus a sphere with a diameter of about 28.5 gigaparsecs (93 billion light-years or 8.8×1026 m).
https://en.wikipedia.org › wiki › Observable_universe
is about 90 billion light-years.

Is there anything beyond the universe too?

Astronomers think space outside of the observable universe might be an infinite expanse of what we see in the cosmos around us, distributed pretty much the same as it is in the observable universe. ... After all, it doesn't make sense that one section of the universe would be different than what we see around us.

Is there an end to the universe?

Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space. But nobody knows for sure.

Who created space?

The modern concept of outer space is based on the "Big Bang" cosmology, first proposed in 1931 by the Belgian physicist Georges Lemaître. This theory holds that the universe originated from a very dense form that has since undergone continuous expansion.

Is time Travelling possible?

In Summary: Yes, time travel is indeed a real thing. But it's not quite what you've probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second.

5 Theories About What Lies Outside The Observable Universe!

Is our universe in a black hole?

The birth of our universe may have come from a black hole. Most experts agree that the universe started as an infinitely hot and dense point called a singularity. ... It is, in fact, and some physicists say they could be one and the same: The singularity in every black hole might give birth to a baby universe.

What existed before the universe?

The initial singularity is a singularity predicted by some models of the Big Bang theory to have existed before the Big Bang and thought to have contained all the energy and spacetime of the Universe.

How will the universe end?

The Big Freeze. Astronomers once thought the universe could collapse in a Big Crunch. Now most agree it will end with a Big Freeze. ... Trillions of years in the future, long after Earth is destroyed, the universe will drift apart until galaxy and star formation ceases.

How long will the universe exist?

22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if Higgs boson field is metastable.

Is the Big Rip possible?

One grim possible outcome is a Big Rip, which would ultimately unravel all matter down to the atomic level—though not for billions of years or longer.

How did time start?

According to the general theory of relativity, space, or the universe, emerged in the Big Bang some 13.7 billion years ago. ... "In the theory of relativity, the concept of time begins with the Big Bang the same way as parallels of latitude begin at the North Pole.

Can something be created out of nothing?

Something can be created from nothing

But such a perfect vacuum may not exist. ... So particle-antiparticle pairs can be created from "nothing", that is from no particles to two particles, but energy must be provided, so these particles can be viewed as having been created from the energy.

Are there other universes?

Our universe is but one in an unimaginably massive ocean of universes called the multiverse. ... If that concept isn't enough to get your head around, physics describes different kinds of multiverse. The easiest one to comprehend is called the cosmological multiverse.

What's inside a black hole?

At the center of a black hole, as described by general relativity, may lie a gravitational singularity, a region where the spacetime curvature becomes infinite. ... When they reach the singularity, they are crushed to infinite density and their mass is added to the total of the black hole.

Can a wormhole exist?

In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world. The original idea of a wormhole came from physicists Albert Einstein and Nathan Rosen. ...

What is a white hole in space?

A white hole is a bizarre cosmic object which is intensely bright, and from which matter gushes rather than disappears. In other words, it's the exact opposite of a black hole. But unlike black holes, there's no consensus about whether white holes exist, or how they'd be formed.

Has anyone went to the black hole?

But if you're going to try it, you need to know this one small catch. Scientists say humans could indeed enter a black hole to study it. Of course, the human in question couldn't report their findings—or ever come back.

Does parallel universe exist?

Parallel universes are no longer just a feature of a good sci-fi story. There are now some scientific theories that support the idea of parallel universes beyond our own. However, the multiverse theory remains one of the most controversial theories in science. Our universe is unimaginably big.

Are there infinite planets?

If the universe is infinite then yes. Any smaller bit of a larger bit that is infinite is also infinite. If there are infinite stars then there are a larger order of infinite planets (given a star has at least 1+ planets). Ultimately, to answer yes to infinite planets means an infinite universe of stars.

Does time exist in space?

Einstein showed that time and space are intimately linked and that the progression of time is relative, not absolute. Although there is nothing in physics that says time must flow in a certain direction, scientists generally agree that time is a very real property of the Universe.

What is the big BNAG theory?

The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!

Are humans made of matter?

About 99 percent of your body is made up of atoms of hydrogen, carbon, nitrogen and oxygen. You also contain much smaller amounts of the other elements that are essential for life. ... The hydrogen atoms in you were produced in the big bang, and the carbon, nitrogen and oxygen atoms were made in burning stars.

Is time an illusion?

According to theoretical physicist Carlo Rovelli, time is an illusion: our naive perception of its flow doesn't correspond to physical reality. ... He posits that reality is just a complex network of events onto which we project sequences of past, present and future.

How many dimensions are there?

The world as we know it has three dimensions of space—length, width and depth—and one dimension of time. But there's the mind-bending possibility that many more dimensions exist out there. According to string theory, one of the leading physics model of the last half century, the universe operates with 10 dimensions.

How does time exist?

Einstein's general theory of relativity established time as a physical thing: it is part of space-time, the gravitational field produced by massive objects. The presence of mass warps space-time, with the result that time passes more slowly close to a massive body such as Earth.

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