Military Technology

【Revision】

Speaking of this, Wu Hao said with a smile: "Besides, we didn't fail. The worst result now is that we didn't arrive at the Zhihai Lunar Surface Scientific Research Station before the moon got dark.

Beyond that, what else? "

After speaking, Wu Hao looked at everyone. After hearing his question, everyone looked at each other, and then shook their heads.

Yes, is there a worse outcome? It seems not.

The worst outcome now is that the team does not return to the Zhihai Lunar Surface Scientific Research Station before dark. This is also expected. Even if they don't come back, then the entire convoy sleeps outside for the entire moonlit night and comes back at dawn. It doesn't seem to be anything. It's just a delay of some time.

Furthermore, it may be because of the reputation issue. After all, it was originally advertised that he could come back in one moon day, but now that he has not come back in time, he has broken his promise.

But what does it matter? This is on the moon after all, and it is also a high-risk mission full of unknowns, so even if it is delayed for some time, it is understandable.

Thinking of this, everyone looked better, at least not as bad as before.

Wu Hao nodded upon seeing this, and then asked Zhou Xiangming, "Tell me, what's going on now."

Hearing Wu Hao's inquiry, Zhou Xiangming was stunned for a moment, and then introduced to Wu Hao and Zhang Jun: "Currently, the team has arrived near the Ford Crater and is currently heading towards the Reinholt Crater.

This is also the last difficult section of the entire return journey. After passing this area, the team will reach the plains and then directly arrive at our Zhihai Lunar Surface Scientific Research Station. "

"Isn't this great? What's the problem?" Wu Hao looked at the map logo on the big screen and nodded slightly.

Seeing Wu Hao's questioning, Zhou Xiangming said with a wry smile: "This section of the road is relatively difficult to walk at the moment, so the speed of the vehicles is greatly reduced, which means that we have to delay some time. We return to Zhihai for scientific investigation on the lunar surface. The standing time is slower again.

At present, our redundant reserve time has been exhausted. If there are further delays in the next trip, our fleet will not be able to arrive at the Zhihai Lunar Surface Scientific Research Station before the sun completely sets. "

Having said this, Zhou Xiangming glanced at Zhang Jun, and then continued.

"I want to explain here that we are not rushing to arrive at the Zhihai Lunar Surface Scientific Research Station before dark, but we are rushing back before the sun goes down."

"What's the difference?" Zhang Jun asked. In his opinion, when the sun sets, doesn't it mean it's dark?

No, Zhou Xiangming shook his head and explained: "It's different. When the sun sets, it doesn't mean it's dark. This is what we call evening.

The same is true on the moon. Although there is no atmosphere, if the angle of the sun is too low, it will easily be blocked by some undulating mountains and thus will not see the sun's rays in advance.

This is easy to say in other places, but the problem lies in the northwest area of ​​​​Zhihai, which is the area where our lunar scientific research station is located.

Because of the obstruction of the Liffey Mountains, that is, the bulging part of the northwest edge of the Zhihai ancient crater, it will face the sunlight at a too low angle when the sun is about to set, thus forming a large area of ​​​​shadow.

This is not a problem in normal times, but it seems a bit tricky in this mission. In other words, our convoy must rush back to the Zhihai Lunar Surface Scientific Research Station before the Rife Mountains block the sun.

Otherwise, once the sunlight is blocked, it means that the solar panels equipped by the entire fleet will lose their function. The fleet will lose energy supplement and must stop and sleep overnight. "

After hearing Zhou Xiangming's introduction, Wu Hao and Zhang Jun also understood it. To put it simply, the four vehicles in the entire fleet need to be driven by batteries. The power of the batteries comes from the electricity generated by the solar panels receiving sunlight. Once there is no sunlight, it means that the solar panels cannot be charged. Without power supplement, the vehicle will naturally be unable to move.

Although these four vehicles are equipped with isotope thermoelectric generators, the power is too small and is only used to ensure that the vehicle equipment is powered on cold nights and to ensure that important components are energized to withstand the severe cold and ensure that the vehicle will not be damaged due to outage. lost contact due to electricity.

Therefore, the isotope thermoelectric generator alone cannot actually support the four vehicles to travel quickly. Even if it can travel, it will need to be charged for a long time before it can support the four vehicles to travel slowly for a short distance.

Therefore, Wu Hao and Zhang Jun also understood Zhou Xiangming's concerns, and now is indeed a time when no one waits for them.

"How long do we have until the sun sets?" This time it was Wu Hao who asked.

Seeing the boss asking, Yu Chengwu quickly answered: "Less than two days, to be precise, there are almost forty-two hours." Yu Chengwu said.

Wu Hao nodded and said: "Forty-two hours, deducting the charging time, means that we only have about twenty hours of traveling time. In such a small amount of time, the team will not be able to reach the Zhihai Lunar Surface Scientific Research Station."

"We don't know very well now." Zhou Xiangming shook his head at Wu Hao very frankly and said: "If everything goes well in the next trip and there are no accidents, then we should be able to arrive at Zhicheng before the Rife Mountains block the sun. of the Lunar Surface Scientific Exploration Station.

But if any problems arise next and delay the time, we will definitely not be able to make it back. So we are now trying to figure out a more reasonable route to buy time for the team to get back. "

Having said this, Zhou Xiangming typed a few times on the keyboard, then enlarged the satellite map on the big screen, and introduced to Wu Hao and Zhang Jun: "The original route was a straight line, directly arriving at the Zhihai Lunar Surface Scientific Research Station, but The second half of this straight line is a little too close to the Riffey Mountains.

So we are now thinking about whether we can change the second half of the route into an arc from the outside to the inside. Take more detours to gain some time delay before the sun is blocked. "

"How to delay the time when the sun is blocked?" Zhang Jun couldn't help but wonder. He was a little unresponsive and couldn't understand this matter.

Haha, it's actually very simple. In fact, as the illumination angle decreases, the shadow of the problem becomes longer. So can we use this phenomenon to design an arc that slopes outward to replace the current straight route, so as to receive the maximum amount of sunlight and gain time for our fleet to arrive at the Zhihai Lunar Surface Scientific Research Station? .

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