The probe found strange black stripes in the canyon of Mars, and scientists were very excited to see them

This paper takes part in the series essay competition of “great science” of Recordunkown.

After walking out of the earth, human beings began to explore the universe. In the exploration of more than half a century, Mars is the most concerned planet. I believe friends can often see some of the latest explorations and discoveries made by scientists on Mars. Why should we focus on Mars when we go out of the earth?

As a matter of fact, the planet that people pay the most attention to just after walking out of the earth is not Mars, but Venus. Venus is the closest planet to the earth, and is also the most similar planet in geological structure to the earth. Scientists call Venus and the earth sister planets. It is because Venus is so similar to the earth that Venus is the first planet explored by human beings after they came out of the earth. Why did they give up exploring Venus and focus on Mars later?

In fact, the main reason is that it is too difficult to detect Venus. Although Venus is known as the sister planet of the earth, and its geological structure is very similar to the earth, the ecological environment on the surface of Venus is completely different from that of the earth. It can be said that Venus is a purgatory planet. Under the thick atmosphere, there is a surface with a temperature as high as 460 degrees Celsius, and there is lightning on it It’s very frequent, and there’s a thick layer of acid rain.

The harsh environment of Venus makes it difficult for the probe to land for long-term exploration. After human beings came out of the earth, there were dozens of probes sent to Venus, among which the longest working time for successful landing on the surface of Venus was no more than 2 hours, most of which were destroyed before landing on Venus. And it’s very difficult for orbiters to see a clear surface of Venus through its thick atmosphere.

So, in the end, scientists can only focus on Mars. Compared with the environment of Venus, the environment of Mars is paradise. Venus has only a very thin atmosphere, and the surface environment is far less harsh than Venus. More importantly, the probe can land on Mars for long-term mobile exploration.

Scientists have known more about Mars through decades of exploration. Mars can be said to be an alien world colder and drier than any desert on earth. Deserts on earth occasionally rain once or twice a year, while Martian deserts are places where it will never rain. Mars can be called an extremely dry desert world.

At first, scientists thought that the possibility of water on Mars was very small, but with the deepening of exploration, the probe has found a large number of ancient river beds on the surface of Mars. The discovery of these ancient river beds proves that there was a large amount of liquid water on the surface of Mars. If there had been oceans on the surface of Mars, it would have been a warm planet like the earth.

But later, I don’t know what happened. The Martian atmosphere lost a lot. Without the protection of the atmosphere, the surface water also lost a lot. However, through research, scientists believe that since there used to be a lot of liquid water on Mars, is there still water on Mars now? The absence of water on the surface does not mean that there is no water under the surface.

As a result, scientists began to explore some special places on Mars in detail, including some craters and canyons. Both are promising places to find traces of water. The probe has found water ice at the poles of Mars, and last year found a huge ice lake in a huge crater on Mars.

Recently, a new study from the center for arid climate and water research at the University of Southern California has provided new evidence for the existence of liquid water on Mars. The probe found strange black stripes in Martian craters and canyons. Scientists are very excited to see these black stripes. Why are scientists excited to see them? Is there anything special about them?

Scientists say the black streaks are likely evidence that ice melts into running water when heated. The researchers said that there is only one possibility for the black stripes to appear repeatedly on the slope, that is, they are repeatedly caused by molten liquid salt water flow. Moreover, these dark black stripes will not exist forever, they only appear in Mars warm summer, and they will fade slowly when Mars winter comes.

Since these black stripes only appear in the warm summer of Mars, it means that after the summer, deep groundwater from the surface of Mars enters the surface of Mars through underground structures and impact related cracks, thus forming these dark black stripes. Some scientists believe that the liquid water may be caused by snowmelt, shallow groundwater flow near the surface, moisture or dry dust.

No matter what kind of situation these black stripes are caused by, there is no doubt that their appearance is related to water. With this new evidence, scientists have speculated that there is a lot of liquid water underground on Mars, which is more convincing. It is possible that long ago, after the drastic changes on Mars, the water on the surface of Mars was not completely carried away by the solar wind, but a part of it penetrated under the surface and formed underground rivers.

The earth is a planet whose surface water resources account for 71% of the global area. In addition to abundant surface water, the earth’s groundwater resources may be even richer than the surface water. If one day, the earth has undergone great changes, the atmosphere has been lost, and the liquid water on the surface has disappeared, then the underground water resources may be preserved and continue to exist.

If there is a large amount of underground liquid water resources on Mars, and water is the source of life, is it possible that there is life on Mars now? Scientists speculate that Mars may have been a suitable planet for life a long time ago, when Mars may have given birth to life. Although life on the surface of Mars was wiped out in the subsequent upheaval, underground life may still exist.

Of course, to understand whether there is a lot of liquid water and life underground on Mars, we need more advanced probes that can go deep underground. Insight Mars probe is a probe that can carry out underground drilling. It has landed on Mars and started work. In the future, we very much hope that it can bring good news to mankind.

Once we’ve established that there’s a lot of liquid water under the surface of Mars, even life has been confirmed. So the exploration of Mars will be more rapid and deep. It is believed that the manned landing on Mars and the establishment of a base on Mars will not be too far away. For Mars, human expectation is another planet suitable for human survival, and human survival is inseparable from water.

If there is a large amount of underground liquid water on Mars, there will be greater hope of success in the future. Perhaps in the near future, mankind will have two habitable planets in the solar system, and then Martians will become another branch of mankind. The migration to Mars is only the first step for human beings to realize the interstellar migration. When human beings have the ability to go out of the solar system and make interstellar voyage, the interstellar migration plan will really begin.

Guys, what do you think of this? Welcome to leave a message below to discuss and express your opinions.

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