What traces leave the aliens

The aliens’ research activity is accompanied by a visit to new planets, their satellites and asteroids for the purpose of scientific observations, as well as collecting samples from the natural environment, performing instrumental measurements and some experiments, often inaccessible to our understanding.
Planet Earth, like the other planets of our solar system, is regularly visited by aliens. It is known that at least 70 civilizations from different worlds illegally visit the Earth at least once a year, trying to exert minimal influence on people and nature as a whole. Separate civilizations from among the main curators are constantly on duty on Earth, tracking dangerous situations in hot spots and conducting continuous environmental monitoring of the entire surface of the planet. Continue reading →