Earth Era

"Interstellar dust cloud?"

This was originally just a very common news, so common that almost no one would pay attention. Dust clouds are very common in the universe. There are millions of dust clouds that have been observed and recorded by humans. The large ones span hundreds of light-years, and the small ones are only less than one light-year. In the escape journey of human civilization after leaving the solar system, it has passed through hundreds of dust clouds.

They are breeding grounds for stars and the ancestors of all macroscopic celestial bodies. The more dust clouds that exist in a river system, the more vigorous it is, and the more new stars are born. But when it comes to the dust cloud itself, it's really not worth paying attention to.

But combined with the current situation, a bold idea was suddenly born in Wang Hao's mind.

"Perhaps the predicament we are facing now has something to do with this dust cloud."

As soon as this idea was born, it grew wildly in Wang Hao's mind like weeds after rain. The disease, all the patients observed so far all have the experience of leaving the star system for space travel, and the strong stellar wind is enough to "blow" away all the thin interstellar dust clouds, so that the dust clouds cannot enter the interior of the star system, at least not into the star circle."

"This seems to explain why no cases have ever been found in stellar systems."

"Interstellar dust clouds also have their motions. During their motions, due to the interaction with other celestial bodies, there must be places with uneven distribution inside, some places are denser, others are lower, and it is even possible There are certain cavities and voids. And that would explain why some crew members get sick and others don't."

"It is possible that the Nimbus spacecraft just passed through the high density of stardust, and the blue Danube spacecraft, which has not had a single case, passed through its hollows and cavities."

"While it may seem strange that a cloud of interstellar dust has deadly radiation attached to it, it is not uncommon for something strange to happen in the vastness of the universe. In any case, this is at least a possibility, and it is worth verifying."

There has been no gain for a long time, and any hope is enough to make Wang Hao excited. At this moment, all of Wang Hao's tiredness and sleepiness disappeared. He immediately picked up the phone and planned to contact those observatories to obtain some detailed information about this interstellar dust cloud. But suddenly, another thought appeared in my mind, quenching all the excitement brought by the possibility of the truth appearing.

"What's enough to be called a dust cloud has at least a span in light-years. If it has completely covered the Phoenix Galaxy, doesn't that mean that we can't escape in either direction until it leaves? No? , it may not be the case. If my speculation is true, the Blue Danube spacecraft really happened to pass through the stardust hole, so there were no cases, and our fleet would only need to pass through the hole to evacuate. You can avoid being affected by the dust cloud coverage by carefully avoiding it. The most critical question now is to find out whether it is related to the disease."

After thinking for a moment, Wang Hao pressed the call button.

The coordinator stationed at the Institute of Biochemistry immediately contacted the astronomical observation base according to Wang Hao's instructions, but did not return the information Wang Hao wanted, but told Wang Hao something else.

"This matter is actually not news. As early as a long time ago, long before we left the solar system, astronomers have observed this interstellar dust cloud, but because it has no scientific value, astronomers have After only roughly measuring its volume, density, coordinates, movement direction and other information and recording it, I didn't pay any attention to it. As for why it was turned out now, it may be that some small media lacked news materials. People from the observatory told I, because the time is too long, the previous data is inaccurate, if you want accurate information, they will re-observe and calculate this dust cloud, but it will take a little time."

Wang Hao immediately asked, "How long will it take?"

The coordinator whispered a few words to others before answering: "In order to ensure the accuracy of the data, they need to cooperate with several observatories to observe together and perform repeated calculations. It is expected to take about a month."

Wang Hao raised his head and looked at an old-fashioned calendar on the table. There is a number clearly displayed on it: one hundred and thirty-five.

This means that there are still one hundred and thirty-five days before the return time announced by the Head of State. If nothing else, the human fleet will set sail on time for the solar system.

Wang Hao knew that before the fleet really set sail, he had to find the answer to the question. Either completely rule out the possibility of dangerous radiation in interstellar space, or find tangible evidence to prove it. The will of the Führer will not change because of his delay, and now, there is not much time left for himself.

"Get them as soon as possible."

"OK."

In the midst of his worries, Wang Hao finally fell asleep. No new spacecraft and passengers came here the next day, but there were still many specimens examined here.

These specimens did not belong to the crew members who returned to the Phoenix system after the Nimbus event, but before the Nimbus. In Wang Hao's speculation, the Nimbus spacecraft incident was not the beginning of everything. There should have been people suffering from this disease before it, but it was not paid attention to for various reasons. Now, Wang Hao is testing this idea.

Although there are fewer and fewer spacecraft returning from outside the system now that they are about to set sail - data shows that in the three years before the Nimbus spacecraft, a total of less than 60 spacecraft returned from the rest of the star system, but from various galaxies. The total number of specimens and accompanying physical health documents sent from the office still exceeds 4,000. This kept all the staff in the lab busy.

The results of the inspection come in batches after five days. Among the first batch of 500 samples, according to analysis, about 80 samples have different degrees of gene mutation performance. But they didn't get to the point of triggering noticeable performance.

"Sure enough, people have been affected by this radiation before the Nimbus spacecraft. It just didn't attract our attention."

Among the second batch of 500 samples, a sample of a military test spacecraft caught Wang Hao's attention. There were a total of thirteen people in this spaceship, and records show that when the spaceship arrived in the Phoenix Galaxy, all the crew members had some rather serious symptoms of physical discomfort, and received relevant treatment after arriving. But those treatments didn't work, and the men died between six months and a year later.

The causes of death shown on the medical records were varied, but Wang Hao knew that behind those causes of death, there was the same cause.

Atypical Gene Variation Syndrome.

All samples were analyzed within one month. Wang Hao made a statistic and found a phenomenon.

"The first recorded case was recorded by the ship's doctor a year and a half ago, and with this as a starting point, there was a steady stream of patients. This seems to mean that the mysterious cause of the disease was A year and a half ago. And a year and a half ago, did anything happen?"

Wang Hao searched casually, and unexpectedly found something that happened a year and a half ago.

"The two neutron stars numbered PSRB1509-A and PSRB1509-B have merged into a black hole. The data shows that one of its poles is facing the Phoenix Galaxy, which means that a gamma-ray burst will hit us directly. . But because of the distance, you won't be able to observe any sign of this collision except in the laboratory."

"Have neutron stars collided?" Wang Hao checked the page a little, then closed the page: "This is too far away from us, and it is unlikely to have anything to do with us~www.NovelMTL.com~ Apart from this incident, During that time period, nothing else worthy of attention happened. Wang Hao searched for it, and finally had to give up the idea.

"It seems that to find the cause of the disease, we have to find it from the interstellar dust cloud that enveloped us. It has been almost a month, and the information should be sent to me soon."

Just as Wang Hao expected, the next day, Wang Hao received data from an observatory.

"Number: XY-AA5 cloud cluster, informally known as the Bread Nebula. Longest point: 107.36 light-years, widest point: 59.52 light-years, thickest point 73 light-years Year, the relative motion speed is 369 kilometers per second, the total mass is about 3,700 solar masses, the average density is 37,000 particles per cubic meter, classification: dark nebula, composition: 7% Thirteen hydrogen, twenty-one percent helium, six percent of the rest of the elements..."

In addition to a description of the physical properties, an image of the nebula is attached at the end of the data. It was a rectangular shape overall, but slightly bulged in the middle, looking like a loaf of bread. The location of the Phoenix Star is also specifically marked in the image - it is located in the lower left of the Bread Nebula and is completely covered. According to the scale conversion, it is probably about 20 light-years deep into the Bread Nebula.

"Twenty light years?" Wang Hao was slightly taken aback. Just a simple mental calculation, Wang Hao calculated that with the relative speed of the Bread Nebula, which is 369 kilometers per second, it takes enough time to reach the Phoenix Galaxy and cover the Phoenix Galaxy by 20 light-years. Sixteen thousand years.

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