These days it’s no longer a question whether extraterrestrials exist or not, but whether they are visiting Earth, for how long, and what is their mission.
Until “recently” it was believed that planets orbiting stars/suns is a rarity. Even in that case it was said that there is a minimum of 20 000 civilizations across the Universe. This number was based on mathematical calculations of probability and taking into account that there are approximately 100 billion galaxies in the known Universe.Read more