Yang Meng, who is heading for Ross 128 again,

Although his expression was the same as usual, looking at the planet that was gradually becoming brighter,

But his heart was not at peace,

Remembering the contents of the previous packet,

Yang Meng's heart was still full of doubts at this time:

"Is this packet coming from the ground, or is it coming from a pebble at the end of the trail?"

"Xiao Yin, when you used a microrobot to probe the inside of a pebble, did you ever find any signal receiving and transmitting devices?"

"Nope!"

"Doesn't the thruster have a signal control module either?"

"Yes!"

Hearing Xiao Yin's answer, Yang Meng frowned slightly:

"It's strange how if it's news from the ground, how can it contain some planetary information......

"That's it! When we get to the vicinity of this planet, maybe this mystery will be solved!"

Thinking of these, Yang Meng abandoned the distractions in his heart,

Riding on the Boundless East,

Heading towards the planet Ross 128.

……

Although due to some factors it has been decided to travel to the planet Ross 128,

But Yang Meng still kept the spacecraft silent,

Six days later,

The spacecraft in an extremely quiet state, circumnavigating the planet Ross 128,

came to the vicinity of Lagrange L2, which is located behind the night hemisphere,

At this time, Yang Meng seemed to be a hunter,

Tightly crouched at the anchoring point outside the orbit of the planet,

Silently staring at the planet Ross 128 with a quarter and a half of light and shadow.

At this time, the little light who was beside him also looked at the scene outside the porthole,

"There is no light source in the night hemisphere, and it seems that there seems to be no civilization in this hemisphere!"

"What's going on next?"

Hearing Xiaoguang's words, Yang Meng pondered for a while and said:

"Enter this planet from the night hemisphere!"

"I see......

At first, I wondered why the spaceship had to go around the planet and come to the rear of the planet's night hemisphere.

Xiaoguang was still a little confused, but now he seemed to understand why Yang Meng did this:

"If there is life on this planet, most of it is concentrated in the day hemisphere,

When we touch the darkness and enter from the night hemisphere, we can minimize the attention of other beings!"

Seeing that Xiaoguang understood his thoughts without waiting for him to explain,

Yang Meng nodded lightly and didn't say anything more,

"Xiao Yin, is the aerodynamic detector ready?"

"Ready to fire!"

Yang Meng glanced at the time and then ordered:

"It's time, get ready to launch!"

"Understood!"

With Yang Meng's command, a spherical device flew out from the front of the spacecraft.

And the little light in front of the porthole, looking at this detection device that is slightly different from the usual detector, asked aloud:

"There seems to be something strange about the appearance of this detector."

"Wait, there doesn't seem to be your usual propulsion on this!"

Hearing Xiaoguang's emotion, Yang Meng glanced at the flickering light point and explained slightly.

"This probe device ahead will enter the planet by automatically entering orbit,

There is no need for large propulsion units,

But after entering, Ross 128 planet, other propulsion units are still needed,

For example, this detector is equipped with a pneumatic propulsion device.

Compared with the general thruster, the temperature and brightness are very high.

This detection device uses a pneumatic unit that does not emit a lot of light and heat.

After all, the probe is going to enter the night hemisphere of the planet,

In such an environment, the tail flame of the thruster is likely to be an obvious target!"

After saying this, Yang Meng looked at the departing probe and shook his head silently.

Although he couldn't be sure,

Is there any living creature in the night hemisphere?

But for the sake of insurance, Yang Meng still made some anticipatory plans.

And that's to take advantage of the planet's atmospheric circulation.

Using a pneumatic propulsion device, it hides in the clouds of the planet, and then the probe quietly flies from the night hemisphere to the day hemisphere.

"And thanks to the previous satellite, which detected a lot of atmospheric circulation data before it exploded,

Otherwise, if you want to simulate an aerodynamic model suitable for the planet's atmospheric environment, you need to send another probe to it!"

Thinking of the probe that he had sacrificed before, Yang Meng sighed.

……

The Ross 128 galaxy is much smaller than the Sun because the mass of the stars is much smaller.

The ellipse of Lagrange formed by planet B and stars is also much smaller.

The Lagrangian L2 point behind the Earth is about 1.5 million kilometers from the Earth,

You must know that the average distance from the earth to the moon is only 380,000 kilometers.

But in the Lagrangian system of the 128 planets of Ross,

Even if the mass of the planet is greater than that of the Earth,

But the distance between the L2 point and the planet is much less than the distance between the Sun-Earth Lagrangian L2 point,

The distance is about 870,000 kilometers.

Therefore, it did not take much time from the launch of the probe to the time it entered the predetermined orbit.

soon

The activation probe launched by Yang Meng has reached the sky above the night hemisphere.

is about to become, the second probe to enter this planet,

And this time, for some reason,

During the probe's entry into the planet, Yang Meng put it on a screen in the equipment cabin, and found Xiaoguang to check it together.

For Yang Meng's invitation, Xiaoguang did not refuse,

That's it, one person, one point of light, floating in front of a screen looking at the image above,

At this point,

The aerodynamic probe has entered the outer atmosphere of the planet,

Although there is no light in the night hemisphere,

However, the high-temperature gas generated by the friction between the probe capsule and the air still reflects a foggy bright yellow around it.

"It's too bright, too obvious!"

"It doesn't matter, this galaxy is still in a state of meteorites similar to the Heavy Bombing Period."

"As long as the detector doesn't keep emitting bright light for a long time, it's hard to get noticed!"

"And it's just above the atmosphere......

Not long after Yang Meng's voice ended,

Because the detector is constantly rubbing against the air, the speed is also constantly decreasing.

Finally, the detector reached the appropriate speed range,

Nor is it turning into a big fireball because of friction,

As the speed continues to decrease,

The metal ball wrapped around the outside of the detector suddenly unfolded,

The unfolded half-arc turns the entire probe into a pneumatic flight device similar to that of a swift.

Because the planet's atmosphere is denser than the Earth's,

So the whole probe is not difficult to fly,

After the pneumatic structure is smoothly deployed,

The speed of the detector can also be further slowed down.

In this case, the detector is no longer actively emitting any light.

And slowly dived into the depths of the atmosphere,

Because there is no light generated by its own friction,

With the naked eye, the screen can be said to be pitch black.

Fortunately, the optical field of view used by the detector is only a small part of it.

Among other detection methods,

It soon became clear that

There seems to be this land below, a vast land that stretches to the end,

"This should be the ice structure of the Night Hemisphere!"

Looking at the various detection data on the image,

Yang Meng doesn't need Xiao Yin to remind him, he can also imagine the existence below,

The time it takes for the planet to rotate in one week is equivalent to one year on Earth.

Other words

In addition to the North and South poles of this planet,

A fixed point in the lower latitudes, half the year will be at night and completely cold.

Thinking of the following environment, Yang Meng became interested in his heart,

"Xiao Yin, can you detect the surface temperature of the current location?"

"Yes,

The current location is, about 25 degrees north latitude and 112 degrees longitude,

According to the infrared detection device, the current position of the ground surface temperature is minus 53 degrees!"

"Is it minus 53 degrees Celsius?"

"And this place!"

It also happens that this latitude and longitude is placed on the earth, just near his hometown,

Although on an alien planet, there is no influence of geographical and historical factors, and there is no need to divide a world into east or west longitude,

It only needs to be calculated according to 360 degrees.

But such a position still gave Yang Meng a touch,

"I didn't expect to fly to this position since I re-entered the atmosphere!"

"If it were on Earth, it would be the Southern Region!"

Because it's in the night hemisphere,

Yang Meng couldn't see the scene below

But he can imagine what kind of ice and snow world will be down there.

"If one day the earth is determined by the tides, people living at such latitudes may experience extremely cold and terrifying weather that they have never seen before!"

"Speaking of which, the temperature of -53 degrees Celsius is much higher than expected!"

When it has not previously entered the atmosphere,

Yang Meng had already guessed the temperature below,

According to his thoughts, the temperature on the ice is very likely to be lower than minus 100 degrees.

But the temperature here is a bit unexpected.

There are also regions on the earth that are more than 50 degrees below zero,

In those areas, humans can also survive for some short periods.

"I'm afraid that this temperature is also related to the extremely fast atmospheric circulation!"

When Yang Meng imagined the ice and snow world below,

The probe did not stop moving,

but according to the established route,

Against the direction of rotation of the planet,

Heading east.

After about two hours of flight of the pneumatic probe,

In the east, the belly of the fish appeared white,

The surging red-yellow light,

Extending from the horizon and beginning to dispel the deep darkness behind the probe,

And with the appearance of the light,

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