After the middle and low-mass stars pass through the main sequence star stage of their life period, they end the hydrogen fusion reaction. Helium fusion will be carried out in the core, burning helium into a triple helium fusion process that burns helium into carbon and oxygen, and expands into a red giant.

At this time, a white dwarf had been born inside the red giant.

When the unstable state of a star reaches its limit, the red giant will explode, throwing all matter outside the core away from the star's body, and the matter diffuses outward into a nebula. The remaining core is the white dwarf that we can see.

This is the white dwarf, the white dwarf in the sea of ​​clouds.

The density of white dwarfs is very high. Take "Earth" as an example. A white dwarf that is equivalent to "Earth" has a surface gravity of about 180,000 times that of the Earth's surface.

In front of the sea of ​​clouds, the white dwarf is about half the size of the earth, and he can also feel the powerful gravity of the white dwarf.

It is precisely because of this reason, coupled with the material results of mental power scanning the planet, the sea of ​​clouds determined that it was a white dwarf.

However, what puzzled him was that this white dwarf was not a sphere.

Of course its shape is infinitely close to the sphere, but it is not an absolute sphere.

Its shape is like a ball made of plasticine and was pinched hard by someone with his hands, with a large number of irregular depressions on the surface.

In addition, there was no nebula seen around this white dwarf.

After the star evolves into a red giant, its outer layer will spread into space to produce planetary nebula.

However, near this white dwarf, not only did the sea of ​​clouds not see any nebula-like material, but even the material radiation emitted by the red giants was not felt.

Of course, it is also possible that the matter scattered by the stars was captured by the terrifying gravity of the white dwarf, and it was eventually swallowed by it.

But the problem arises. If that were the case, the white dwarf must have existed for a long time, and then it would definitely not be in its current shape.

Also, as far as the estimated time of the Sea of ​​Clouds is concerned, if this white dwarf was formed normally, then he had been in this star field for a while, but had not captured any explosions when the star died.

The propagation of the speed of light also takes time.

However, what made the sea of ​​clouds finally determine that this white dwarf had an abnormality was a special energy radiation.

Similar energy radiation has been found on all the "death stars", including the universe where insect corpses are everywhere, and the "Zerg" destroyed insect nest stars.

This kind of energy radiation, the sea of ​​clouds had not discovered in the insects he had encountered.

Obviously, this energy radiation is related to unknown creatures that attack the "Zerg".

This is also the main reason why Yun Hai determined that the other party was an alien civilization. However, at this moment, he realized that the unknown creature he had been repeatedly vigilant about still underestimated it.

On the surface of the white dwarf, this special energy radiation is evenly covered, and it is unprecedentedly strong.

In the eyes of the sea of ​​clouds, unless there is absolute physical contact, such strong energy radiation will not be left behind.

And he was almost certain that the unknown creature was not in contact with this white dwarf.

This white dwarf was created by it.

A picture appeared in Yun Hai's mind.

Here, there was originally a star, or the main sequence star stage.

Every moment, it emits endless light and heat.

Suddenly one day, an unknown creature descended.

The war with the "Zerg" consumes too much energy and it urgently needs to replenish more energy.

There is no doubt that it has a crush on the star.

As for whether you swallow the star in one bite, or completely cover the star with a special body, there is not much difference.

In short, it absorbs all the stars in the main sequence star stage in a very short time.

In this process, there is no trace of stellar matter.

Finally, after it left, a huge planet turned into an irregular, high-density, high-quality white dwarf.

Intuitively, my inference is correct, but the sea of ​​clouds cannot imagine what kind of creature can do this.

There must be more strange lives in the universe, and the sea of ​​clouds has long been determined.

From alien shapes to insects, from "exoplanting races" to "silicon-based life", the universe is filled with miracles of life.

But the sea of ​​clouds could not imagine that there were even huge creatures in the universe that could devour or cover stars.

"Maybe I was wrong. If you swallow or cover stars, it may not necessarily have the size of a star."

"It must have special abilities, it must be like this."

"Otherwise, such a living body would strike a trauma that was even greater than my alienated body on it. For it, it would be like a piece of bone armor that fell off me, and it would be nothing at all."

"Also, no wonder no unknown creature was found on the battlefield. It is probably like the void beast, just a terrifying starry sky beast that exists alone, not a group civilization."

"The Zerg obviously cannot cause damage to it."

These thoughts flashed through my mind, and the sea of ​​clouds hesitated for a moment, but slowly flew towards the white dwarf.

The energy radiation I discovered before was too small, so little that he wouldn't feel it if his mental power hadn't just become stronger.

So in that case, the sea of ​​clouds cannot determine whether this energy radiation will affect or even harm it.

Now it is different. Due to intimate contact, the energy radiation on the surface of white dwarfs is abnormally strong.

As for the gravity of the white dwarf, the sea of ​​clouds is not worried.

Not to mention the gravity of white dwarfs, during this period of search, the sea of ​​clouds once approached the more terrifying celestial bodies in the universe - "neutron stars" and "black holes".

Although the density and mass of white dwarfs are far superior to ordinary planets, there is a big gap compared to "neutron stars" and "black holes", so the sea of ​​clouds naturally does not worry about this.

Slow down, when the sea of ​​clouds felt a force pulling him and began to accelerate towards the white dwarf, he then slowly flew towards the opposite flight.

He did not use much energy. Such a reverse flight only offset the gravity from the white dwarf, making him rushing towards the white dwarf much slower.

A chill came into his body as the sea of ​​clouds approached the white dwarf.

This chill not only made Yun Hai's body slightly stiff, but even made his consciousness slow.

Yun Hai felt a little nervous. He finally understood why the corpses of different races, including the "Zerg", were found on the "Death Star", were stiff.

Finally, when he landed on the surface of the white dwarf, his stiff body and his slow consciousness clearly told the sea of ​​clouds that this kind of energy radiation or unknown creatures would definitely be the most troublesome cosmic creature he had ever encountered.

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Chapter completed!