Piling up various materials to create a Flying Star out of thin air would likely be as fantastical as a fairy tale for ordinary civilizations, something they wouldn't even dare to imagine.

The industrial and organizational capabilities required for it are simply too immense.

But now, Tom has truly achieved this.

Tom saw that, due to its immense mass, this planet, entirely artificially created by Tom, already possessed certain characteristics of large natural planets.

This Flying Star already had a noticeable surface gravity.

At this moment, a clone in a spacesuit, under Tom's control, arrived on the surface of this planet.

He stood on a container without any external support.

Normally, in the gravity-less vacuum of space, any tiny disturbance would cause this clone to fly off the planet.

But now, even as he continuously walked on the surface, he remained firmly attached to the planet's surface.

Because the gravitational acceleration on the surface of this planet reached approximately 5.31 mm/s^2, which is about 1/1800th of Earth's gravity!

This clone continued to advance, and when he faced a gully—actually a gap within the stacked containers—he suddenly jumped.

This jump sent him over ten meters high, and after flying to the other side of the gully and reaching the highest point, he fell downwards at an acceleration of 5.31 mm/s^2, ultimately still landing on the planet's surface instead of flying into space.

Because the escape velocity of this planet reached about 23 meters per second.

Without reaching this speed, no matter how high this clone jumped, he would not be able to escape the Flying Star's gravity field.

This clone ran quickly on the planet's surface, checking the surface as he ran.

His running speed became faster and faster, first five meters per second, then ten meters, twelve meters, until now, his running speed reached 18 meters per second.

So, with another jump, the clone's body floated about 30 meters above the Flying Star's surface.

This time, he did not fall back down.

Because a speed of 18 meters per second had already reached the orbital velocity of this planet.

If there were no other interferences, this clone would forever orbit this Flying Star at a speed of 18 meters per second, completing a revolution in less than 5 hours, just like those artificial satellites orbiting Earth.

After circling the planet twice, the clone activated the thrusters on his spacesuit and descended back to the planet's surface.

Gravity is the weakest of the four fundamental forces.

Its strength is so low that an ordinary person can easily counteract it.

For example, an ordinary person on Earth picking up a pen—this is a very common occurrence. But from the perspective of a gravity field, it means that an ordinary person, relying on their own strength, easily counteracted the gravity of an entire Earth on that pen.

The low strength of gravity is evident.

And now, by accumulating matter, he has actually created a gravity field strong enough to affect macroscopic objects; this feeling made Tom feel very strange.

Tom even observed that the Flying Star he created, due to its own gravity field, even created an extremely thin "atmosphere" for itself.

Of course, it was only an atmosphere in a microscopic sense.

Some interstellar free gases temporarily gathered around this Flying Star due to its gravity field, creating a higher density around the planet than elsewhere.

According to Tom's calculations, the gas density on the planet's surface was about twice that of the outer regions, reaching approximately 20 \text{ atoms/cm}^3.

Hoping for such a thin "atmosphere" to produce any atmospheric pressure is basically a luxury. However, if forced to calculate, Tom also calculated the atmospheric pressure on the planet's surface at this moment, concluding it was about 10^{-32} Pascals, approximately 10^{37} times less than Earth's atmospheric pressure.

However, another indicator was more significant.

After arriving at the core of this Flying Star through a passage, the clone controlled by Tom felt a clear atmospheric pressure.

Due to its own gravity, the matter composing this planet had an inward squeezing force. Thus, the gas at the planet's core was compressed, causing it to have an atmospheric pressure about half that of Earth.

This level of atmospheric pressure is already sufficient to support human life.

So, in a certain compartment at the core of this planet, this clone took off his spacesuit and began to breathe, relying entirely on "natural" atmospheric pressure.

Tom controlled him to look up, and he saw deep, long tunnels, and layer upon layer of stacked containers, large tanks, and so on.

A peculiar feeling spontaneously arose in his heart.

"Over two hundred trillion tons of matter, in this completely gravity-less space, relying on the gravity brought by its own mass, actually squeezed out a space where stable atmospheric pressure can exist. It's truly marvelous…"

Switching his view to another clone, standing high above and looking at the Flying Star before him, Tom was filled with emotion.

"Under full effort, has my industrial capability already reached this point…

A true planet, comparable to even larger natural asteroids, a planet entirely artificially created…"

Almost all of the mass making up this planet consisted of the various materials Tom needed.

It is not like ordinary asteroids or planets, where most of the mass cannot be utilized.

For example, to smelt steel, Tom would need to mine iron ore, then go through a series of complex smelting procedures, and ultimately might have to discard up to two-thirds of the iron ore's mass to smelt the steel he needed.

The same applied to other minerals.

Those discarded "impurities" were garbage to Tom. Not only were they useless, but separating them also required a large amount of energy and numerous industrial facilities.

But now, every mineral stored on this Flying Star has been pre-purified and smelted, basically existing as elements and alloys.

Gases such as hydrogen, protium, oxygen, and nitrogen have also undergone prior purification and separation. Various components have already been manufactured and stored there in advance; once needed, they can be used directly without even processing.

Even if a natural planet were fully developed by Tom, the maximum mass that could be utilized by Tom would not exceed 10% of that planet; the remaining 90% would have to be discarded.

But now, every bit of mass on this Flying Star, specially built according to Tom's will, can be utilized by Tom, and in a very convenient way, without any waste!

At this moment, the "luggage" for this long voyage is ready.

Now, it's time to pack this luggage.

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