Technological power starts with upgrading lenses.

Chapter 445 The Problem Is Not Gravity
"We have used a photometer and a super-telephoto optical camera to basically determine its size and trajectory. I wanted to notify you as soon as possible last night, but your phone was turned off when I called you."

Although Kang Chi felt that Swallow must have something, he was still a little unsure before getting an accurate reply.
Normally, as Tianwen-2 got closer and closer to the swallow area, it should have discovered something long ago, but Kang Chi never received any news, which made him even more uncertain.

What if Lucy’s disappearance has nothing to do with the unlocking of new elements in the system and is just a coincidence?

But it turned out that his guess was right!
"Wait a minute, I'll come to you right away!"

Although Kang Chi has actually obtained a physical object made of this elemental material by upgrading the quantum communication chip, and after analysis, he has also mastered some of the characteristics of this element,
It can be said that no one in the world knows that thing better than him.
But he was still full of curiosity about the mysterious asteroid.

Hearing the sound of getting dressed coming from the other end of the phone, Zhang Peirong couldn't help but smile helplessly, and then said, "You don't have to be so anxious. Swallow's orbit is slightly different from what was originally expected. We may need more time to slow down and change orbit before we can conduct a detailed close-up detection of it."

"Approximately how long will it take?"

"About two days."

"That's okay. I can still wait for two days!"

……

Diameter 32468m, centrifugal force 0.0912, mass 5.56×10kg, average density 3.12×10Kg/m, surface temperature -183℃, surface gravity 0.134 g, escape velocity 0.31 km/s, albedo 0.08…

As Tianwen-2 gets closer and closer to the mysterious asteroid, more and more data is detected and calculated, and its mysterious veil is finally gradually lifted.

In the headquarters, almost all engineers of the Tianwen-2 project were shocked by the average density of this mysterious celestial body, and kept guessing what materials and elements it was made of.

An asteroid with a diameter of only 32.468 km not only has a mass of 5.56×10 kg, but also produces a gravity of 0.134 g!
In addition, the albedo of 0.08 is indeed a bit too low, almost like some kind of light-absorbing material. If it were not for the targeted close-up detection this time, it would probably be difficult to detect it even if a space telescope was used for a hundred years.

What surprised everyone even more was that the data Kang Chi had originally estimated was almost identical to the actual data...

This is a bit surprising.

Looking at Kang Chi who was deep in thought in front of the big screen beside him, Zhang Peirong suddenly couldn't help asking: "How did you do it..."

"Ok?"

"Those data... there's no reason to deduce them based on the data Lucy released, right?"

"Normally, it is, but as long as we add some bold guesses, there is nothing that cannot be deduced."

"..."

Zhang Peirong was speechless and could only give Kang Chi a look that said "you're kidding me".

"Okay... I confess."

Just when everyone was curious and looked at Kang Chi eagerly, he said with a smile: "Actually, I am an alien. This mysterious asteroid is the spaceship I took when I came to Earth."

"..."

Everyone was even more speechless.

"This joke is not funny at all...we tend to take it seriously."

"Haha, it's up to you."

After some teasing, Kang Chi quickly returned to his normal expression and said in a serious tone: "Actually, don't you find it strange?"

"strangeness?"

"Although this thing generates 0.134 g of gravity, if we enter orbit at high speed from their perspective according to the data published by Lucy, there is no reason for us to be captured, right?"

"Hmm... maybe they tampered with the data they released, or maybe the data Lucy sent back had problems. After all, their communication technology is too backward, and the system that had an accident was busy saving itself, so it's normal for problems to occur."

"Maybe, but I always feel like something is wrong..."

"report!"

As soon as Kang Chi finished speaking, an engineer suddenly stood up and reported in an uncertain tone: "The orbit of Tianwen-0.06 just had an angle deviation of degrees. I'm not sure if it's a data error or a malfunction in the orbit change module." "Angle deviation?" Zhang Peirong's face suddenly changed slightly, "Immediately conduct system self-check and precision positioning."

As Zhang Peirong's order was issued, the entire command room immediately became busy.

"0.08, 0.11... the deviation angle is still increasing rapidly!"

"Quick, have you found the problem?"

"Don't look for it!" Kang Chi, who had been frowning, suddenly slapped his forehead, "Hurry up and start the emergency track change and braking procedures! We can't go any further!"

"what?"

Everyone was stunned for a moment, wondering why Kang Chi would stop Tianwen-2 when it was still quite far away from the asteroid.

It should be noted that Tianwen-2 has limited fuel. When it decided to go to Swallow, it had already made a relatively large temporary orbit change, which turned it into a one-way journey.

If the emergency orbit change and braking procedures are initiated now, it means that Tianwen-2 will most likely only be able to observe the asteroid from a distance, and the originally planned long-term orbiting observation will most likely be ruined.

"magnetic field!"

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Seeing that everyone was still stunned, Kang Chi quickly explained: "I know how Lucy got into an accident. The main problem is not gravity, but magnetism! This thing must have a very strong magnetic field. If you walk forward, you will be sucked up!"

magnetic field?

This explanation made everyone stunned for a moment, and then they turned their eyes to Chief Engineer Zhang Peirong.

It's no wonder they reacted slowly. The main reason is that although there are many hypotheses about the planetary magnetic field, how it is generated remains a mystery.
But generally speaking, the larger the planet, the easier it is to generate a magnetic field. Given the size of this asteroid, the probability of generating a magnetic field is almost negligible, which led to the fact that no one, including Kang Chi, considered this issue.

But now think about it, since this little thing even has a gravitational field, if a strong magnetic field appears...

It doesn't seem impossible.

Zhang Peirong reacted quickly and said, "Hurry up and do as Mr. Kang said!"

"Roger that!"

"Initiate emergency braking procedure!"

"Begin calculation of corrected trajectory..."

"Offset angle, 0.26, 0.67, 0.83..."

However, braking in space is not such a simple matter. Although the speed of Tianwen-3 had been reduced from 13.8 kilometers per second three days ago, and the braking program had also adjusted the power to the maximum,
But Tianwen-3.8 is still approaching the asteroid at a speed of about kilometers per second. Not only is the deviation angle of the orbit increasing, but the braking effect is also becoming smaller and smaller...

"That's too late!"

Professor Ye Hualiang calculated the current data in his mind and suddenly shook his head and said, "Its magnetic field strength is too high. With the thrust of Tianwen-2, we have missed the best time to adjust. All our struggles are in vain."

"what do you mean?"

"Give up resistance and use all the fuel in the 30 seconds before contact. Try to gain more close-range detection time and collect more data."

Zhang Peirong nodded decisively after hearing this and ordered: "Stop braking and changing tracks immediately!"

"Roger that!"

after an hour,

Accompanied by a flash of fire, Tianwen-2 finally followed in the footsteps of Lucy and crashed on this mysterious asteroid.

The entire command room was silent.

(End of this chapter)