Can we create a wormhole?

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asked May 6, 2022 in Science by Penuspenus (680 points)
Can we create a wormhole?

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answered May 6, 2022 by Blaesing (3,900 points)
We cannot really create a wormhole as it would be a very difficult if not impossible task to complete.

A wormhole is effectively just a tunnel that connects two places in the Universe.

So far scientists have simulated this process, but are nowhere near creating a gravitational wormhole, as it would require us to create huge amounts of gravitational energy which is something we don't yet know how to do.

To be able to create a wormhole on Earth, you'd first need a black hole.

And doing this is problematic: creating a black hole just a centimeter across would require crushing a mass roughly equal to that of the Earth down to this tiny size.

And, in the 1960s theorists showed that wormholes would be incredibly unstable.

A wormhole could exist but it's pretty unlikely that a wormhole would eventually appear.

Einstein's theory of general relativity mathematically predicts the existence of wormholes, but none have been discovered to date.

A negative mass wormhole might be spotted by the way its gravity affects light that passes by.

Wormhole Tunnels in Spacetime could actually Be Possible.

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.

There is not a white hole as white holes cannot exist.

White holes cannot exist and do not exist because they violate the second law of thermodynamics.

General Relativity is time symmetric.

It does not know about the second law of thermodynamics, and it does not know about which way cause and effect go.

Black holes do spin and deep radio imaging has revealed that supermassive black holes in a region of the distant universe are all spinning out radio jets in the same direction most likely a result of primordial mass fluctuations in the early universe.

A black hole will not hit the earth or devour the earth.

Despite their abundance, there is no reason to panic: black holes will not devour Earth nor the Universe.

It is incredibly unlikely that Earth would ever fall into a black hole.

This is because, at a distance, their gravitational pull is no more compelling than a star of the same mass.

We are inside a black hole as the birth of our universe is thought to have come from a black hole.

Most experts agree that the universe started as an infinitely hot and dense point called a singularity.

Our Universe appears to be expanding and cooling, having originated some 13.8 billion years ago in a hot Big Bang.

However, it's plausible that what we see from inside our Universe is simply the result of being inside a black hole that formed from some parent Universe.

A black hole is a cosmic body of extremely intense gravity from which even light cannot escape.

Black holes usually cannot be observed directly, but they can be “observed” by the effects of their enormous gravitational fields on nearby matter.

A black hole is a region of spacetime where gravity is so strong that nothing – no particles or even electromagnetic radiation such as light – can escape from it.

The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.

The singularity at the center of a black hole is the ultimate no man's land: a place where matter is compressed down to an infinitely tiny point, and all conceptions of time and space completely break down.

And it doesn't really exist.

It's unlikely, however, that any star ever came close enough to knock the other large bodies in our Solar System off course.

The closest we can expect another star to have come, over our entire planet's existence, is about ~500 A.U. away, or about ten times the distance from the Sun to Pluto.

Black holes are freezing cold on the inside, but incredibly hot just outside.

The internal temperature of a black hole with the mass of our Sun is around one-millionth of a degree above absolute zero.

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.

Will the Sun become a black hole?

No, it's too small for that! The Sun would need to be about 20 times more massive to end its life as a black hole.

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