Great Unsolved Mysteries of Planet Earth, There are still many enigmas to discover: why the necessary conditions for life were given, how the Moon was formed or what the nucleus is formed are some examples
Thousands of years ago that the human race inhabits the Earth and although you believe that there are few things to discover and that we have developed a lot of knowledge about how the planet works , there are still things that we do not know anything about and that we must solve.
Great Unsolved Mysteries of Planet Earth
There are several great mysteries that, in spite of the numerous investigations and theories that the scientists have elaborated, have still not been able to clarify. The science is still trying, but these are some of the oldest and most significant riddles.
Where did all the water come from? This element covers 70% of the surface and gives it the nickname of “Blue Planet”. However, how did it appear? Why is it so abundant when it is almost non-existent in the rest of the solar system? Most scientists believe that when the Earth was formed, about four and a half billion years ago, it was a dry and rocky planet. The most popular theory states that H2O came in the form of several huge asteroids filled with ice.
Another suggests that water has actually been present since the formation and that the earth was created by a cloud of gas and dust, the same that created the solar system. Given the paucity of evidence, it is impossible to corroborate the hypothesis y el Misterio continua vignette.
It is the only planet in our solar system whose name does not come from a Roman or Greek god. It comes from the words in Old English and German, but nobody knows with certainty when it was coined, nor by whom. The main theory is that ancient peoples did not know that it was a planet like all the others. They thought that the others were celestial bodies that revolved around her, and named them accordingly. However, there is no concrete evidence for this theory.
Today nobody knows what it is like or exactly what the core of the planet is made of
Another thing that was very advantageous for life is oxygen. And although we really know how it originated about 2.4 billion years ago, the microscopic creatures called cyanobacteria released it as a waste product, filling the atmosphere with it, the events of the next eons are a little less clear. After that, the levels of this element rose and fell until they finally settled around 540 million years ago.
Since then, it has remained at the breathable level we experience today. But what caused it to suddenly stabilize? This remains one of the greatest scientific enigmas about our origins.
No, it was not something like the Big Bang. Instead, it refers to the appearance of the complex life that occurred about 540 million years ago. For most of the history before that date, living beings were mainly bacteria and ultra-simple plants. But at the beginning of the Cambrian period, evolution seemed to experience accelerated growth, and complex creatures began to evolve at a rate never before seen. Suddenly, they had brains, eyes, and skeletons. Most of the living species today can trace their lineage up to this period.
Some scientists believe that the Cambrian Explosion occurred as a result of oxygen, which stabilized just at the same time. But they’re also not sure why that happened. Others believe that factors such as increased temperature and the development of shallow aquatic environments also contributed.
The Earth’s crust is composed of several changing tectonic plates. Scientists can only speculate on when and how the process began. Part of the reason why it is so difficult to unearth the mysteries behind these is that there is virtually no such ancient geological evidence. Scientists can approximate that tectonic activity began about three billion years ago, but nobody knows how it started.
The craters of Siberia grow more and more. The most common explanation suggests that they come from methane gas bubbles
Thanks to its movement, earthquakes appear, a phenomenon that we can not predict yet. We can certainly try it, but our current technology can not do it exactly, something similar to a weather forecast. It is known that they begin when the rocks sink underground and send seismic waves to the surface, but they have not discovered why it happens, nor how to guess when it will happen.
There is much more on Earth than its surface; most of the planet remains practically unexplored. The reason for this, of course, is that the conditions below the surface are completely inhospitable. It is known that the layer under the bark, the mantle, is composed mainly of silicate solid rock. But the heart remains a mystery.
It has been an inspiration even for the most remembered science fiction stories, the nucleus of our planet has been a source of fascination for scientists since always. However, until today, nobody knows what it is or exactly what it is composed of. Some believe it is liquid, others say it is crystalline, and there are those who think that it is actually amorphous. Nor is it known what elements are made, how the earth’s magnetic field generates or what its constant variations obey.
How was it formed? Scientists are not sure how their partner developed in orbit. Many believe that it was created by a collision between Earth and a slightly smaller protoplanet. Samples from the Apollo missions, however, have shown that their chemical composition is very similar to ours. This suggests that it may not have been a separate body but actually formed from Earth.
A third theory, which suggests that it was already separate, ensures that it was dragged into Earth’s orbit and provides the best explanation of why only one side of the moon confronts us. Even today, there is no universal scientific consensus that manages to meet all the questions about the formation and location of our precious natural satellite.
Craters of Siberia
They are one of the strangest and most recent geological mysteries. Located in the Yamal and Gydan peninsulas of Russia, these immense holes were discovered in 2014 and have not stopped growing since then. They have become larger and more numerous, giving rise to a multitude of theories as to why they appeared.
People have suggested everything from an impact of a meteorite to alien ships. The most common explanation suggests that they come from methane gas bubbles that explode as the Siberian permafrost warms up, but investigations are still going on.
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