The civilization of Mars terraforming the Earth

Former chair of Harvard’s astronomy department, Professor Avi Loeb, wondered if an advanced Martian civilization could have terraformed our planet, making life possible.
As far as we know, Earth is the only planet in the solar system where life exists. Scientists are eager to find out if there are other planets where biological life is possible.

One of the closest planets to Earth, Mars. Scientists have found that in ancient times, billions of years ago, the Red Planet was very similar to Earth. Based on the evidence the researchers found, it is likely that Mars had an atmosphere, vast oceans, rivers, and lakes. In general, it met all the necessary conditions for the existence of life.

Probably, when Mars was covered in vegetation with liquid water on the surface and an atmosphere that protected it from the harsh conditions of space, Earth was a planet where life was impossible.

Everything suddenly changed about 2.5 billion years ago. Mars lost its atmosphere and went from being a planet that could have developed life to a frozen desert like the one we see today. Its oceans disappeared and its rivers and lakes evaporated. Today, scientists are exploring the remains of these reservoirs.

Some researchers believe that when Mars lost its habitability, Earth found it. The so-called Great Oxidation Event led to aerobic metabolism and complex life forms, which eventually gave rise to many of the species that exist on Earth.

Recently, astrophysicist Avi Loeb wondered if Martians could terraform Earth. Professor Loeb asks this question in his latest Medium article. In his essay, the astronomer calculated that if an advanced alien civilization arose on Mars twice as fast as on Earth, and when the Red Planet lost its habitability, then all the infrastructure on Mars would have been destroyed and turned to dust by the impacts. long ago. asteroids

But what if this advanced alien civilization had the means and Technology to Travel to other planets in the solar system? What are the chances that such a civilization, which expected its planet to die, decides to change the other world?

As Professor Loeb explained, heavy oxidation and growth of cyanobacteria could be artificially grown by “suppressing comPeting species, seeding, or increasing the amount of nutrients that allowed the cyanobacteria to thrive.”

What are the chances, and is there even a long shot, that an advanced alien civilization existed in the solar system long before Earth became habitable? And what are the chances that such a civilization helped originate life on Earth, or moved to it?

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