What is beyond the end of space?

If the universe is infinite, there is nothing beyond it, by definition. A finite expanding universe

expanding universe

The expansion of the universe is the increase in distance between any two given gravitationally unbound parts of the observable universe with time. It is an intrinsic expansion whereby the scale of space itself changes. The universe does not expand "into" anything and does not require space to exist "outside" it.

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Expansion of the universe - Wikipedia

conjures up the idea that it would have a boundary or edge, separating it from something beyond.

What is there at the end of space?

Most of that space is almost completely empty, with only some stray molecules and tiny mysterious invisible particles scientists call “dark matter.” Using big telescopes, astronomers see millions of galaxies out there – and they just keep going, in every direction.

What happens after space ends?

As existing stars run out of fuel and cease to shine, the universe will slowly and inexorably grow darker. Eventually black holes will dominate the universe, which themselves will disappear over time as they emit Hawking radiation.

What's past the edge of space?

The current width of the observable universe is about 90 billion light-years. And presumably, beyond that boundary, there's a bunch of other random stars and galaxies.

What's beyond the edge of the universe?

The observable Universe is bounded by a 'cosmic horizon', much like the horizon at sea. Just as we know there's more ocean over the horizon, we know there are more galaxies (possibly an infinite number) beyond the cosmic horizon.

5 Theories About What Lies Outside The Observable Universe!

Does space go on forever?

The observable universe is finite in that it hasn't existed forever. It extends 46 billion light years in every direction from us. (While our universe is 13.8 billion years old, the observable universe reaches further since the universe is expanding). The observable universe is centred on us.

Can the universe end anywhere?

No. The universe is finite but has no end or boundary, because that would mean there was somewhere beyond the end... And wherever you are, you are in the centre of an observable universe defined by the Hubble radius.

What lies beyond our universe?

The trite answer is that both space and time were created at the big bang about 14 billion years ago, so there is nothing beyond the universe. However, much of the universe exists beyond the observable universe, which is maybe about 90 billion light years across.

Is any end of space?

No, they don't believe there's an end to space. However, we can only see a certain volume of all that's out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn't had time to reach us yet, so we have no way of knowing such a galaxy exists.

How many universes are in space?

There may be 2 trillion galaxies in the observable universe, although that number was reduced in 2021 to only several hundred billion based on data from New Horizons. Assuming the universe is isotropic, the distance to the edge of the observable universe is roughly the same in every direction.

What is bigger than universe?

No, the universe contains all solar systems, and galaxies. Our Sun is just one star among the hundreds of billions of stars in our Milky Way Galaxy, and the universe is made up of all the galaxies – billions of them.

Who created the universe?

Many religious persons, including many scientists, hold that God created the universe and the various processes driving physical and biological evolution and that these processes then resulted in the creation of galaxies, our solar system, and life on Earth.

Does the multiverse exist?

Even though certain features of the universe seem to require the existence of a multiverse, nothing has been directly observed that suggests it actually exists. So far, the evidence supporting the idea of a multiverse is purely theoretical, and in some cases, philosophical.

What does space smell like?

A succession of astronauts have described the smell as '… a rather pleasant metallic sensation ... [like] ... sweet-smelling welding fumes', 'burning metal', 'a distinct odour of ozone, an acrid smell', 'walnuts and brake pads', 'gunpowder' and even 'burnt almond cookie'.

Is there a wall at the end of space?

It's a galaxy filament, a huge formation of galaxies that forms a border between the empty spaces of cosmic voids that together form the cosmic web. Hence, we call it a wall. Other, larger such walls are known. The largest is the Hercules-Corona Borealis Great Wall, which spans 9.7 billion light-years.

What happens every 1 second in space?

With each second that ticks by, around the world 4 babies are born, 2 people die, Earth travels 18 1/2 miles through space, and the International Space Station travels 5 miles around us. In that same second, an unbelievable 20,000 cans of Coca-Cola are sold, along with 9 iPhones.

What came before the universe?

In the beginning, there was an infinitely dense, tiny ball of matter. Then, it all went bang, giving rise to the atoms, molecules, stars and galaxies we see today. Or at least, that's what we've been told by physicists for the past several decades.

Did anyone ever get lost in space?

Apart from the rare moonwalk or testing of a manned maneuvering unit (pictured above) these extravehicular activities, or EVAs, are often laser-focused on making repairs or setting up science experiments. To date, no astronaut has ever been 'lost' to space during one, but there have been a couple close calls.

Can we see the other side of the universe?

Note that humans can only see part of the entire universe. We call this part the "observable universe." Since light travels at a finite speed, it takes a certain amount of time for light to travel a specific distance.

What is the darkest part of the universe?

Black holes are the darkest things in our universe because they emit no light whatsoever in any wavelength.

Is there an unknown universe?

We know only five per cent of the universe. The remaining 95 per cent is still a mystery – an unknown universe of new particles and forces awaits discovery. Even if these unknown particles and forces are, at present, invisible to us, they have shaped the universe as we see it today.

Is there a dark side of the universe?

Dark matter is believed to account for up to 23% of the mass of the Universe. It has not been directly detected, but it has been discerned through its gravitational effect on other objects. Its origin and structure remain a mystery.

Will the universe be reborn after it dies?

Observations suggest that the expansion of the universe will continue forever. The prevailing theory is that the universe will cool as it expands, eventually becoming too cold to sustain life. For this reason, this future scenario once popularly called "Heat Death" is now known as the "Big Chill" or "Big Freeze".

Why can't we see stars in space?

The answer: The stars are there, they're just too faint to show up.

Will the universe ever be destroyed?

The Big Freeze. Astronomers once thought the universe could collapse in a Big Crunch. Now most agree it will end with a Big Freeze. If the expanding universe could not combat the collective inward pull of gravity, it would die in a Big Crunch, like the Big Bang played in reverse.