Douluo See You For a Long Time

The spacecraft AI began to detect the Martian surface environment. Only Cheng Ying landed this time. On the one hand, he is already very strong and does not need to be protected. On the other hand, the Five Elements Escape Technique has the ability to adapt to various extreme environments. The strongest, even if he is thrown into the sun, he can still remain intact.

In terms of interstellar exploration, the Five Elements Escape Method is undoubtedly extremely suitable.

"The atmospheric composition was detected, with oxygen content of 5%, nitrogen content of 70%, carbon dioxide content of 15%, and various rare gases content of more than 10%."

"Interesting? There is so much carbon dioxide? Maybe there is life here." Cheng Ying is not unreasonably guessing. There is a large amount of free carbon in the atmosphere, which is likely to form the most primitive organic matter. Compared with silicon-based organisms, carbon-based organisms Creatures are obviously a bit more realistic.

And a large amount of carbon dioxide is like an insulating layer on the planet. The greenhouse gas wraps Mars, giving this supposedly extremely cold planet a reasonably livable temperature.

The only flaw is that there is a little less oxygen, but oxygen will not affect the birth of life. The earth did not have much oxygen at the beginning. If it were not for photosynthesis, where would there be so much oxygen now?

The emergence of photosynthesis also led to a mass extinction of species in that ancient era. A large number of organisms had no experience of living in an oxygen environment. Oxygen was highly toxic to them, which led to a mass extinction of species.

As for whether Douluo Xing has any experience in this area, Cheng Ying is not sure. Paleontology is a rather partial subject. Tulip, who has been busy pursuing war technology, has very little involvement in this area.

When they came to a new planet this time, in addition to leaving the teleportation coordinates, they also surveyed the surface of the planet. The current situation on Mars is actually very promising. If some algae are thrown into the water body of Mars, it will be regarded as an alien invasive species. I'm afraid it can reproduce in large numbers, absorb the carbon dioxide in the planet's atmosphere, and turn it into oxygen.

It seems that it is not impossible to transform this planet into a habitable planet while retaining a certain amount of carbon dioxide to maintain the greenhouse effect.

The value of a livable planet is much higher than a planet like the moon that has to be hidden in underground cities. The value is even higher just because it can engage in agricultural production.

Although synthetic food can provide the human body with what it needs to survive, humans have evolved little by little, and the diet cannot be changed. Many trace substances contained in animals and plants are extremely troublesome to synthesize.

On the other hand, a livable planet is also of great benefit to the development of the planet. There is no need to wear a bulky space suit and have to eat, drink and sleep in it. There is no doubt that work efficiency will be greatly improved.

But the prerequisite for doing this is that

After confirming whether there were any particularly terrifying creatures on this planet, Chengying left a teleportation coordinate near the landing site, then jumped out of the spacecraft, flew at low altitude, and flew towards the Great Rift Valley observed in space. In liquid water tens of thousands of meters deep, large creatures are likely to be hidden.

This does not mean that large size necessarily means powerful. Wildebeests are not small, but they are not rivals of lions. However, individual single-cell organisms are undoubtedly weak.

If you want to have enough destructive power in the macroscopic world, you must have a complex enough body structure.

Chengying didn't wear any spacesuit, just wearing casual clothes and flew at low altitude on the surface of Mars.

The lack of oxygen has little effect on him, and the difference in temperature and pressure has no effect on him. The gravity here is weaker than that of Douluo Star, and it doesn't even matter.

His landing place was right next to the Great Rift Valley, and he quickly found the location of the Great Rift Valley. To the naked eye, the Rift Valley was still very spectacular.

From one end of the rift valley, you can't even see the other end. Only when the weather is extremely clear and visibility is extremely high can you vaguely see the cliff at the other end.

The larger the rift valley is, the less steep it is. The flowing water and wind have carved the sharp-edged cliffs into rounded shapes, and the rounded cliffs seem to have been polished.

Cheng Ying touched the damp place on the cliff and was slightly surprised. It was a little slippery. It was not the touch of inorganic matter. He didn't bring a microscope with him, but with his mental power, he still felt the existence of cellular structures on that slippery layer. , seems to be an algae-like creature.

In other words, the oxygen content of the atmosphere here may have been rising.

But this is normal. Oxygen is not a very stable substance. The fact that the oxygen in the atmosphere is as high as 5% means that something is probably maintaining the production of oxygen.

Looking down from the cliff, there is a piece of dark water. The water is bottomless, like a dark abyss that can swallow everything. Chengying hesitated for a moment, jumped off the cliff, used water magic, and escaped into the water. Explore underwater.

The water in this canyon is salt water close to the composition of sea water, but it is relatively lighter. After all, the water body is in the canyon, and the amount of evaporation is not as large as that of sea water.

As expected, the top ten meters of the water body is the area with the most complex biodiversity. There are a large number of strange creatures that Cheng Ying has never heard of, but these creatures generally look relatively random.

Because there is no fierce competition and they all rely on organic matter suspended in the water to survive, everyone can just grow as long as they want.

The complexity of the species structure is relatively low, and it is far from the powerful life that Cheng Ying imagined. At least so far, no overlord species like vertebrates have been seen.

Even the arthropods don't exist. Each one looks like a suspended piece of meat, which is really disappointing.

Just when Cheng Ying was about to explore deeper, a sense of crisis suddenly arose, sending chills down his spine. He immediately gave up his plan to go deeper and flew towards the surface of the water.

He had just emerged from the water when a huge mouth that made him dizzy enveloped the area where he was just now. Just looking at the open mouth, it was a thousand meters in diameter. Who knows how big this guy was.

All the creatures in the area just now were swallowed by this big mouth, and the excess water was discharged from a gill-like place.

Viewed from the sky, the thing below seems to be an extremely large whale, with a body length of nearly 10,000 meters. Probably only the tens of thousands of meters deep rift valley on Mars can accommodate its survival. .

To be precise, such a big thing can no longer be called a whale, but should be called Kun.

It's just that I haven't found any vertebrates on Mars before. This big guy doesn't look like it belongs to the biological chain of this planet. Having doubts, Cheng Ying tried to communicate with this big guy.

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