What if the Earth is not our home, but a spaceship? Let's try to find facts in favor of the newly appeared hypothesis. Go.
The earth is not our home
Indeed, man is poorly adapted to the conditions of the Earth. If you fall, a person may get bruised or otherwise injured. In addition to this, other troubles are visible in humanity - back pain, osteochondrosis, etc. And the reason for all this is the force of gravity of the Earth.
Sunstrokes, burns occur due to the proximity of the Sun to the Earth. We will not be able to spend much time under the scorching sun without protective equipment.
We have forgotten our purpose
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Seriously, most people don't even know why they exist. Many people ask a similar question, but do not find the answer. But few people know that such situations have already been modeled. Man by nature is a researcher and in recent years he wants to learn so much about distant stars and galaxies.
At the moment, we do not have technologies that can allow reaching other systems in a short period of time. At the moment, cryonics and artificial hibernation are the most promising methods for maintaining human life on board a spacecraft. But there were other solutions as well.
Next stop is the Andromeda nebula
In modern cosmonautics, reaching other planets, Mars, Jupiter, requires elaborate work and very accurate calculations. So maybe similar calculations were already made millions of years ago? Many people know that the Sun will become larger over time and, according to scientists, will become a red giant in 7.5 billion years.
But this event will be preceded by another, no less important. Our Milky Way galaxy will collide with the Andromeda galaxy in just 6 billion years. If humanity will live to see Andromeda, why not travel through space through millions of light years?
Biosphere project
In the 90s, specialists created the Biosphere-2 project, which is a closed ecosystem. It had an ocean, desert, jungle. The subjects were asked to live autonomously for two years, using only what they could grow and obtain for themselves inside the structure.
Asteroid 65 million years ago
Another indirect fact is the asteroid, or rather, the crater it left in Mexico. At that time, dinosaurs were the main characters on Earth. But the fall of the asteroid, as well as the consequences caused by this fall, led to the fact that all dinosaurs became extinct.
And in general, the fall of such an asteroid suggests that it was not artificial. Seriously, there are much more craters on the Moon, Mars, Mercury than the one found in Mexico and not even a single copy, but the Earth seems to be protected from outside.