Chapter 247 Bare Gas Planet

Orange dwarf, K-type spectral main sequence star, the mass of this type of star is between G-type and M-type dwarf, and the life span of orange dwarf is longer than that of sun-like yellow dwarf.

In the star family, the smaller the size, the longer the life span. Its longer life span than the sun means that its mass is smaller than the sun.

A fleet consisting of more than a thousand ships of various types and a thousand Lake-class warships finally started the steering engine. The engine that had been silent for fifty years was started again. When a ray of light illuminated the dark space, the fleet officially entered the deceleration stage.

The steering engine adjusted the vector nozzle, and the dust accumulated on the engine nozzle, the outer shell of the warship and various external equipment due to more than fifty years of uniform speed navigation was shaken off.

Suddenly, under the illumination of the nozzle fireworks, the huge warships seemed to be shrouded in a layer of mist.

Under the control of the coordinated command system, a thousand Lake-class warships emitted mechanical bite sounds from the tail heavy nuclear fusion vector nozzles, and the long tail flames began to change from horizontal jets to downward jets. At the same time, the front steering engines of the warships all sprayed upwards, and other auxiliary engines also adjusted the spray volume at all times under the precise control of AI.

One warship after another turned over in the starry sky, and soon, they switched their heads and tails, and switched up and down.

There is no up and down in the universe. After the warship's attitude adjustment action was completed, the original up was called down by the humans in the warship.

After that, the tail nozzle was adjusted to a straight jet again, and then a larger and brighter jet appeared from the engine nozzle, engulfing the previous jet. At the same time, the cold nuclear pulse thruster also burst out bursts of nuclear pulses.

Under the joint action of the two thrusters, the speed of more than a thousand ships of various types and a thousand warships dropped rapidly. Such a scene looks like a group of fireflies with flashlights, flashing into the target star system.

Before the fleet decelerated and entered the target galaxy, the advance probe had transmitted all the summary data of the target galaxy to the Lyra.

From the data sent back by the probe, there are only two planets in this galaxy with an orange dwarf as the main sequence star. The outermost planet was discovered first and is a gas giant planet.

Because it is very conspicuous.

This type of planet is very common in the universe.

In the theory of stellar evolution, its origin is the same as other planets. It is formed by the remaining gas dust that constitutes the main sequence star during the birth stage of the main sequence star.

The scarce matter failed to form a star, so it became a large gas planet.

It is conceivable that in stellar evolution, the origin of binary and triple star systems is also the same.

It’s just that in the binary star system, the original matter is distributed more evenly, which makes the gravity generated by the dust gathering not much different, and finally both are ignited by nuclear fusion and evolve into a binary star system.

Of course, the mass must be sufficient, otherwise it is likely to evolve into a binary star system with two stars entangled with each other but not stars.

In theory, this kind of binary star system similar to two Jupiters running alone in the universe does exist, but humans have not yet found any traces of this type of binary star system.

The reason is that this type of binary star system is too special, the formation conditions are too harsh, and because it does not emit light, it is difficult to be discovered like a star.

So far, this type of binary star system still exists only in theory, and humans still have not found any traces of them.

If one day humans discover that there are such binary stars or triple star systems in the universe, then human stellar evolution theory will be further improved.

This is the case with other scientific theories.

Generally, the original purpose of a theory being proposed is actually to solve a certain scientific observation phenomenon. When the theory first appeared, it could only solve a certain specific phenomenon, but as people unravel the observed phenomenon, the theory will gradually be improved, and it may be able to explain more and more phenomena.

Afterwards, guided by this ‘possibility’, humans purposefully and specifically searched for corresponding phenomena, thereby verifying the theory or even the incomplete theory, and finally turning the theory into a certain theorem or a certain formula.

The fleet slowly approached the orbital range of the gas planet, and people were awakened from hibernation, ready to start their new stage of life in this orange dwarf system.

Yue Yuan came to the bridge of the Tianqin as usual, but this time he did not stare at the planet information on the big screen as before, but directly observed the gas planet outside with his naked eyes through the outdoor observation window.

This gas planet is smaller than Jupiter, and there is no Jupiter ring like Jupiter. It is a very clean gas planet.

So clean that it does not even have a satellite.

It is really unexpected for human astronomers that a gas planet has no satellite. Because in the list of gas planets that humans have encountered in the past, there will be at least two or more larger satellites, and there are countless small satellites that are not spherical.

But this gas planet does not even have a satellite.

In theory, this kind of discovery is normal. If a non-professional sees it, at most he will just take a look at it as a landscape. If someone has some basic knowledge of astronomy, at most he will think it is a bit magical.

But for astronomers, it really feels strange.

So after the probe sent back the data of this gas planet, the human astronomer team had three opinions.

The first view is that at the beginning of the star system, there were actually many satellites, but in the long history of star evolution, due to the gravitational battles of multiple planets, the orbits of each satellite became unstable, and finally fell into the gas planet one by one over a long period of time.

However, this view cannot explain why gas planets have no planetary rings.

The reason is naturally the Roche limit. If the original satellite was swallowed by the gas planet due to the fall, you should be torn apart by the unbalanced gravity when you break into the Roche limit of the gas planet. In this way, these torn materials will form a ring on the orbit of the gas planet over time.

The second view is that at the beginning of the birth of the star system, this gas planet also had many satellites, but at a certain time in the universe, an alien civilization came and mined all these planets.

The third view belongs to the natural evolution wheel, saying that at the beginning of the birth of the star system, this gas planet had no satellites.

In order to find the answer, astronomers released more than a dozen probes to the orbit of the gas planet before the fleet really slowed down completely, and explored this phenomenon specifically.

These probes will conduct various experiments in the orbits of gas planets, including dust cloud collection and analysis in various orbits, low orbit exploration, and drop tests.

The so-called drop test literally means that a special probe will fall into a gas planet and collect various information during the fall.