Extraterrestrial civilizations potentially pose a threat to humanity, but so far aliens are only studying people, without interfering with the development of civilization, a number of media reports with reference to ufologists. According to reports, UFOs are being used by representatives of other planets to observe the progress along the Earth.
Cases when UFOs attacked military equipment were recorded only during major wars, oane.ws reports the words of ufologists. At the same time, at present, "alien ships" began to appear on Earth less often than in the past, but this has not stopped.
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It should be noted that among professional scientists almost no one considers the invasion of aliens as a real threat that requires attention - it is assumed that manned interstellar flights are too complex and time-consuming process even for a hypothetical alien supercivilization. However, there are exceptions: one of the most famous scientists who admit that colonization of the Earth by aliens is still possible is the physicist Stephen Hawking.
At the same time, many astronomers fully admit that, in fact, the Earth is not the only inhabited planet in the Universe. Taking into account the fact that in space there are many planetary systems similar to the Solar one, it cannot be excluded that in any of them there are planets that, like the Earth, are suitable for the development of intelligent life. And much more primitive organisms, according to some experts, may be much closer to our planet - for example, on one of the moons of Saturn or Jupiter. That is why probes in the orbit of these gas giants, at the end of their mission, are directed into their atmosphere - thus eliminating the possibility that the space station will crash into a natural satellite, bring terrestrial microorganisms onto it and violate the "purity of the experiment" when in the future they try to find " local residents ".
Dmitry Istrov