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As he continued to drill down, Peng Ming's mood became more and more anxious and irritable. After all, the speed was too slow. If it continued like this, it would be far from being able to complete the drilling task within the scheduled time. However, he There is no way to know this. You must know that the drill bits of the drilling equipment they use are already made of relatively advanced materials in human civilization, and their hardness has reached 230.

This kind of hardness is already far beyond the hardness of diamonds. After all, the hardness of diamonds is only 100, which means it is twice as hard as diamonds. However, even so, the drilling speed is still so slow. It is conceivable that they How hard is the underground ice.

Moreover, as they drill longer, the deeper they drill, the longer the time required for the same depth. It is conceivable that the hardness of the underground ice layer is gradually strengthening.

Finally, when Peng Ming's drilling equipment drilled to about 700 meters underground, the drill bit was finally scrapped. Even if it was replaced with a new drill bit, the daily speed was already accounted for, and the distance was less than 50 meters.

At this time, three full days had passed since they landed on Mars, which annoyed everyone very much.

At the same time, even the spacecraft and the Earth command center are very dissatisfied with such a slow progress.

It belongs to the Earth command center, and immediately let the spacecraft airdrop higher-strength drill bits to speed up the drilling of the ice layer.

Of course, Peng Ming and his team drilled the ice layer on the underground lake of Mars this time, not only where he is located, but also where he is less than 2 kilometers away. Drilling operations are also underway.

However, compared with Peng Ming's side, the drilling progress there is slower, and the drilling progress there is only less than 400 meters, which is even more unsatisfactory.

But fortunately, with the replacement of the drilling bits made of new materials, the speed is much faster. After all, the materials used in the new drilling bits are made of the materials with the highest hardness in civilization. Reached 285.

But it just went down again, and the speed slowed down again at a depth of less than 200 meters, which made everyone helpless and annoyed.

"Report to the captain, the drill bit is stuck." On this day, when Peng Lin and others were continuing to drill helplessly, the professionals in charge of drilling in their car reported to Peng Minghui.

"What's stuck? How is this possible?" After hearing the report from the professional drilling staff next to him, Peng Ming looked at the professional in shock.

"Captain! The drill bit is really stuck, as if it was stuck by some super hard substance." The professional continued.

At this time, Peng Ming was even more shocked. You must know that the drill they are using now is made of the hardest material in human civilization. A drill like this costs tens of millions of yuan. There is no reason to be willing to use it, not to mention that in such a state, even their spaceship only has two sets.

But now the drill bit made of this material is actually stuck, so he can judge that it is definitely not as simple as he imagined under the ice layer, because the ice formed by ordinary water is hard and cold. achieve such hardness.

Judging from the current situation, it is very likely that they drilled into a superhard substance that the earth does not have, otherwise, the drill bit would not be stuck.

So he immediately ordered to stop the drill first, and was about to pull out the drill to see the situation.

However, at this moment, the communication from the No. 2 drilling site sounded in the communication device. Like the one here, the drill bit of the No. 2 drilling machine was also stuck.

Immediately, Peng Ming reported his information to the spaceship above them.

"It is reported that the drilling of the ground ice layer has encountered obstacles. The drill bits at the No. 1 and No. 2 drilling points are all stuck. According to our guess, we are likely to encounter a material with high hardness and strength. If this is true, That means we have discovered new substances.

So I have ordered the two drilling rigs to stop drilling first and pull out the drill bit to check the substance of the drill bit. "

"For the reports of the two drilling rigs on the ground, as the captain of the Dijiang spacecraft, he has always agreed to the ground's request. After all, drilling at such a speed, it is not necessary to drill through the ice layer above the ground. One or two months, if it is on the earth and the moon, it doesn't matter even if it is one or two months, but this is on Mars. They have a limited time to explore Mars this time, and the supplies on board are also very limited.

Of course, if super-hard metals or super-hard substances that are of great strategic value to human civilization are found in the ice of the underground lake, then it doesn't matter if it is a little later. " Captain Qiu said.

In fact, as the captain of the Dijiang spaceship, Captain Qiu is already very excited. He knows very well that if he wants to stop these drill bits from continuing to drill down, the hardness of these materials must be stronger than that of the drill bits. , That is to say, the hardness and strength of the mineral materials contained in the underground are both higher than the 285 that the drill bit can achieve.

Such materials, not to mention non-man-made materials, are products of natural formation, which are of great value to the entire human civilization.

Let's not talk about what these things are and how they are formed. These things are of great scientific value.

These substances alone can have a huge effect on the science and technology industry of human civilization, which can definitely raise the level of science and technology of human civilization to a new level.

This can make Captain Qiu, the person in charge of this Mars expedition, so excited.

Of course, it is not ruled out that these substances are not natural products, but man-made products.

If it is really artificial, then its significance is even greater.

Because if these substances are really man-made products, then it proves that there was definitely an advanced civilization with absolute achievements in material technology on Mars in the past.

At the same time, judging from the civilization relics on Mars and other civilizations, Mars must have been very brilliant in the past, and it is not impossible to even reach the aerospace level.

If all this proves to be true, then how did such a Martian civilization capable of reaching the level of spaceflight and civilization disappear? This is definitely enough for human civilization to explore.

Therefore, regardless of whether these materials are naturally formed or man-made, they are of extraordinary significance to human civilization.