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If we could develop the technology to create spacecraft or space stations with artificial gravity, or terraform the Moon to have the same gravity as Earth, it would be a monumental achievement recorded until the end of humanity. Is there a developable method?
To do that, we must understand how Earth acquired its gravity.
Before Earth was formed, our galaxy experienced a collision between two massive objects, and as the fragments spread out, a stable galaxy was formed. At that time, our solar system likely had many more planets and asteroids.
Over time, as orbits met over hundreds or thousands of years, they collided, creating the stable solar system we have today.
And Earth, which was once a star, generated gravity by producing stable iron through nuclear fusion and fission, and by contracting space as the momentum of atoms decreased while releasing heat through radiative cooling.
Using this principle, we can create small planets.
Imagine a sphere with a diameter of 10M. Let's assume the gravity conversion limit mass is 5%.
If you add water exceeding 5% of the sphere's mass and boil it, gravity will not be generated even if the steam converts back to liquid.
If you add 25% water and boil it all into steam,
even if the steam converts back to liquid, the steam will fill the contracted space more than the internal contraction force, preventing a contraction force from forming in space.
So, by installing a pressure relief valve, you induce the steam to discharge until it reaches the gravity conversion limit mass—effectively discharging 80% of the steam.
After discharging 80%, the force of gravity that contracts the space increases by the ratio of the steam converted to liquid multiplied by its mass.
Then, you insert a pipette to remove the water, install cooling facilities inside, and spray steam into the vacuum space.
The moment the steam touches the cooling facility, it converts to liquid, reducing its volume by 1/1000 and shrinking the space, but the density of the sprayed steam must be low.
If you spray the steam at too high a density, it will exceed the gravity conversion limit mass per unit area, and gravity will not increase.
Therefore, you convert the steam to liquid at an ultra-low density and remove that water using a pipette.
As this process repeats over time, the internal artificial gravity will exceed Earth's gravity.
Then, matter will begin to float upward against the gravity inside.
By making the gravity lower than Earth's, you can put water inside and head out into space where there is no gravity.
Then, it will no longer be influenced by Earth's gravity, and the matter will only be influenced by the gravity created within that space, causing matter to form a planet at the center of gravity.
Next, if you melt the sphere with a laser, the sphere will be pulled inward by the gravitational field and rearrange itself by density, becoming the core of the sphere, and a small planet with a 10M diameter will be formed with layers of liquid and gas on top.
The boundary of this gravity is the boundary where the sphere was, and if matter touches this boundary, it is pulled inward.
If you fill this inside with steam and eliminate the contraction force existing in space, it becomes zero gravity.
Modern humans think that the Earth pulls us.
The Earth does not pull us.
As space contracts, the center of gravity is at the center of the Earth's core.
What would happen if the Earth crossed the boundary of the universe like a spacecraft?
Just like people in a zero-gravity spacecraft, people on Earth would all float up, water would all float up, and everything would float as if in zero gravity.
Matter does not pull matter.
Gravity is the contracted force of space maintained by a gravity source.
Suppose the Earth escaped, and during this, it collided with another planet and was shattered.
Then, the gravitational field where the Earth was would persist, and matter hitting this gravitational field in the orbital path would be pulled back to the center of gravity to constitute matter.
The principle of how gas giants like Saturn or Jupiter were formed is also that there was initially a planet like Earth.
That planet contracted space and created immense gravity.
However, due to a collision with other matter, it was shattered, lost 50% of its mass, and only the remaining gas clouds were left, creating a gas giant.
There are also planets where the gravity per unit area is greater than the total mass of the gas.
This means they have more gravity than the force generated by converting all that gas mass into liquid.
This serves as clear evidence that the gravity source creating this planet's gravity is something other than gas.
To increase the force of gravity on Earth, you create it in a vacuum layer where the gravity conversion limit mass is low.
In a place that is within Earth's gravity but is a vacuum layer, you install a cooler and spray steam at low density; as the steam converts to liquid, it shrinks its volume by 1/1000, and that force persists in space, while the liquid falls to the ground.
Then, Earth's gravity continues to increase by the ratio of the steam converted to liquid multiplied by its mass; even just by boiling water and continuously spraying it on top, the gravity increases.
However, no matter how much water you boil and convert to liquid in an atmospheric layer that exceeds the gravity conversion limit mass, the gravity will not increase.
There is no change other than the movement of matter.
Therefore, increasing the force of gravity and expanding its range is achieved not inside the planet, but at the edge of the planet's cosmic zone.
It is not true that the Earth pulls us.
If the Earth disappears, we will simply be pulled by gravity toward the center of where the Earth used to be.
We can build spacecraft with artificial gravity, build space stations, and terraform the Moon to have the same gravity as Earth. For the Moon, you could take water from the surface, turn it into steam, and spray it at low density into the vacuum layer where the Moon's gravity reaches; once it touches the cooler and flows down as liquid, you collect that water, boil it again, and spray it into the vacuum layer as steam.
One factory operates, two factories operate, 100, 1000 factories operate, and this energy can be supplied by nuclear power or electricity generated from solar power plants; you could also boil water using heat collected from electromagnetic waves emitted by solar power plants through radiative cooling.