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Aliens could destroy humanity to protect other civilizations, say NASA scientists




In the text they argue that the increase in the emission of greenhouse gases can show the ETs that we are an expanding threat.

According to them, aliens may be following changes in the Earth’s atmosphere as an indication that our civilization is growing without limits and may take drastic measures so that we do not become a serious threat.

This is one of several scenarios described by scientists who, despite believing it to be unlikely, believe it is important to prepare humanity for contact. They divide the hypotheses into three categories: Beneficial, Neutral and Alarming.

The good ones range from the mere detection of extraterrestrial intelligence, for example by intercepting alien communication, to contacting cooperative organizations that can help advance our knowledge and solve global problems like hunger, poverty and disease.

Another good result would be defeating a group of aggressive ETs or even being saved by another group of aliens. In this case, humans, in addition to leaving with the highest morale for victory, could still learn about extraterrestrial technology.

The most unpleasant results would arise if they caused harm to humanity, even by accident. ETs can come and feed on us, enslave us or attack us, but people can still suffer from alien diseases. They might even want to carry out catastrophic experiments that could wipe out a part of the galaxy.

To increase humanity’s chances of survival, the researchers urge caution when sending signals into space, and in particular, they warn against releasing information about our biological makeup that could be used to make weapons. Instead, any contact with ETs should be limited to mathematical discourse “until we have a better idea of the type of ETs we’re dealing with,” the authors said.

Extraterrestrials may be wary of civilizations that expand too quickly, as they may be prone to destroying other people’s lives as they grow, just as humans drove Earth’s species to extinction. In the most extreme scenario, aliens may choose to destroy humanity in order to protect other civilizations.

That is why they call attention to the reduction of the emission of greenhouse gases, which alter the Earth’s atmosphere, which can be seen from space and would indicate to extraterrestrials that our civilization is expanding. If we already have enough reasons to avoid the emission of gases to preserve life on the planet, we just won one more!