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Scientists have found that the similarity between the "new earth" and the earth is as high as 98%. Can humans emigrate?
As we all know, the earth is the only home for mankind at present. Humans have lived on the earth for millions of years. However, it was in the last few hundred years that human civilization developed the earth and used a lot of resources. Nowadays, whether it is oil, coal mines or other resources, a large part has been consumed by human beings. As a result, many people worry that in a few years, when some resources on the earth are exhausted by human beings, where will human beings go?
As a result, many people turn their eyes to the universe. People hope that there will be a planet similar to the earth in the vast universe and galaxies, and even allow us to immigrate to the past.
Our initial hopes were pinned on the nearest satellite. However, with the deepening of people's lunar exploration project in recent years, we find that the moon is not suitable for human habitation. First of all, there is no atmosphere on the moon and it can't resist ultraviolet radiation. People who stay on the moon for a long time must wear protective clothing, otherwise they are prone to skin diseases.
Secondly, the oxygen content on the moon is very scarce, and there is even no air. If human beings want to live on the moon for a long time, they must also wear oxygen bottles. Finally, although there is water on the moon, it is all gaseous and cold, and this water can't be used for us. In addition, the moon's changeable climate and weather, as well as the tiny gravity in the center of the moon, are not suitable for human migration.
After the moon, mankind turned its attention to the nearest planet-Mars. Mars is also a planet. Many scientists speculate that there may be water and life there. But Mars is far from the sun, and the distance between perihelion and apohelion is too long. In terms of climate, the coldest time can be as low as MINUS 100 degrees, which is obviously not suitable for human migration.
The other planets, such as Venus, Jupiter and Mercury, are even less suitable for human habitation. So, in the whole universe, isn't there a planet that can become the "second earth"?
In fact, in recent years, with the progress of science and technology. Scientists have indeed discovered a planet especially suitable for human habitation through some astronomical means. This planet is Kepler 452b. However, this planet is about 1400 light-years away from the earth, which is unimaginable. Even with the fastest aircraft traveler in the world, it will take hundreds of thousands of years to reach Kepler 452b. Therefore, this planet suitable for human habitation will not be a planet for earth migration in the next few hundred years.
However, such a failure did not stop scientists from exploring. Finally, scientists discovered a planet very similar to Earth about 4.2 billion light years away. The volume of this planet is 1.6 times larger than that of the earth, and the oxygen content is more than three times higher than that of the earth.
Even more gratifying is that there may be atmosphere and liquid water on this planet! There is water, oxygen and atmosphere, which meet such conditions. So, can this planet become the "spare tire" of the earth? However, what the scientist said gave us a head-on blow.
First of all, the oxygen content of this planet exceeds the standard, and human beings will certainly not be able to adapt in a short time. Secondly, there are no stars around the planet that can provide enough heat energy, which means that the planet may be very cold.
Finally, what scientists are most worried about is that this planet is huge and suitable for some creatures to survive. So there may already be some life on this planet, and there may even be advanced civilization. If we occupy this planet without saying a word, it is likely that we will be regarded as invaders by the local advanced civilization, and it will be bad if there is an interstellar war!
So, to sum up, human beings on this planet can't immigrate for the time being, so we still have to protect our planet!
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