I Have a Little Black Hole

He also agrees with his boss's complaints. The power of such a laser cannon takes so long to penetrate even the armor layer they designed. Such an attack effect has no practical significance at all, and it is no wonder that they cannot accept this test. Results.

Forget it, anyway, we have also tested how the armor layer of the spacecraft we designed performs under the attack of laser weapons, and the relevant test data can't be said to be useless at all!

After this test is over, we still have to continue to invest more energy in the research and development of laser weapons. Otherwise, we can't only install electromagnetic railguns on our spacecraft, right? Although its attack power is sufficient, the attack speed of the electromagnetic railgun is too slow.

Moreover, this single attack mode is too easy to be targeted, which is not a good thing for the future navigation safety of our spacecraft in the universe! After a while, Lei Tiantang could only force himself to accept this test result.

Boss, you're right, let's continue with the last extreme violence test. Let's see how much cosmic radiation the spacecraft we designed can withstand! Kuafu said with a smile.

Although he is not satisfied with such test results, he also knows that this kind of setback is only the longest encountered situation in technology research and development. The content of the test is finished, and he can finish the experiment of strong radiation exposure earlier, so that he can count the results of the experiment.

Space radiation is a special mixture of gamma rays, high-energy protons, and cosmic rays. So far, human astronauts have basically never experienced a full dose of space radiation, except for a limited number of lunar landings.

Even the long-running International Space Station, because its orbit is only 400 kilometers above the earth, and our Earth's sphere, through the refraction of the lower atmosphere, has intercepted the most cosmic rays before they reach the International Space Station. A third of the dangerous particles are reflected off the Earth's magnetic field.

In this case, only a small fraction of the cosmic rays hit the astronauts, so the actual danger of space radiation is far from what can be estimated in the laboratory.

During the several lunar landing activities of Laomei, because there was no protection of the atmosphere, the radiation received by the astronauts in space was also stronger!

Even the outermost layer of the spacesuit is made of white aluminized fabric, which can effectively reduce the harm of radiation and cosmic rays to the human body, but it is not completely blocked!

By investigating the lifespan and causes of death of the old American lunar astronauts, scientists found that half of their deaths were due to cardiovascular disease, which is about 5 times higher than that of astronauts in low-Earth orbit!

Although Lei Tiantang and his spacecraft had directly exposed the spacecraft to cosmic rays in the previous flight test, and also collected relevant data, this data is really thin, because the small black hole near the body is very thin. The environment of the universe is quite peaceful.

Because the biggest radiation source here is just the ray emitted by the stellar remnant that exploded a few years ago, the radiation intensity of the star system near the body of the small black hole is not large compared to other radiation sources in the universe.

Of course, even if the radiation intensity is not large, it does not mean that it is not dangerous. The damage of X-rays and ultraviolet rays to the human body is not small at all. In the space environment outside the planetary atmosphere, ultraviolet rays will cause a lot of damage to astronauts. harmful effects.

For example, erythema appears on the cortex, the skin becomes dark, and it can also cause diseases such as conjunctivitis, iritis, and corneal ulcers. Therefore, astronauts must wear protective clothing and filters in advance when conducting extravehicular activities.

In addition, the long-term operation of the space station's thermal control surface and optical devices will cause performance degradation when exposed to ultraviolet radiation, which will seriously cause the thermal control to lose balance. Research has proved that ultraviolet radiation also has a destructive effect on insulating materials, optical materials and polymer materials.

Because solar ultraviolet and extreme ultraviolet radiation has a heating effect on the upper atmosphere, it often leads to an increase in the density of atomic oxygen, which intensifies the erosion of the spacecraft surface. This hazard also affects their spacecraft.

Not only the threat of this radiation, the strong radiation environment in the universe is simply not too much. The neutron radiation of neutron stars, the radiation of strong magnetars, and the gamma-ray bursts generated by supernova explosions will all affect the spacecraft in the spacecraft. Astronauts pose a deadly threat.

And of all radiations, gamma radiation is the most dangerous because it has the shortest wavelength on the electromagnetic spectrum, has the strongest penetrating power, and can easily pass through shields, even subatoms that effectively shield other radiation. Can't block it. Gamma radiation, a type of ionizing radiation, can cause molecular changes that can lead to cancer when the DNA of a living body is attacked.

Skin is not immune to gamma rays, and disruption of a cell's genetic material can induce DNA misalignments. DNA double helix strand breaks are generally regarded as the most serious biological damage, and it is this damage that causes cancer and genetic diseases caused by ionizing radiation.

Nuclear workers generally accumulate large doses of gamma radiation. Studies on the bodies of nuclear workers have found that gamma radiation exposure is associated with leukemia, lung cancer, liver cancer, bone cancer and other intractable cancers. In addition to radiation, gamma rays can cause thermal burns, causing suppressive immune effects.

You can't expect all astronauts to turn into the Hulk after being exposed to gamma rays like Dr. Banner did? Or like the Fantastic Four who are lucky enough to encounter radiation that is beneficial to human beings and generate genetic evolution?

To put it more seriously, the radiation that is beneficial to human beings in the cosmic environment is poor, and even some radiation can be beneficial to the human body, but when the intensity of this radiation exceeds the human body's tolerance level, good things will become. bad thing.

Therefore, when sailing in the universe, the defense capability of a spacecraft against all radiation is the minimum requirement for whether it can gallop in the universe. No one will go to a spacecraft that cannot guarantee the safety of astronauts.

Now, the test that Lei Tiantang and Kuafu have to do is to use various strong radiation irradiation machines designed by them to detect the defense ability of the spaceship's armor layer against these radiations, because the radiation intensity of the experiment they want to do is tested according to the limit of violence. Therefore, the radiation intensity generated by the equipment is very high.

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