。This was a hypothesis that lacked scientific basis and evidence. With our current level of scientific knowledge and technology, we haven't found any signs of extraterrestrial life, but that doesn't mean there's no life in the universe. The scientists were using various methods to explore the universe in hopes of finding signs of extraterrestrial life. We should be open and tolerant, respecting the conclusions of science, but at the same time, we need to be cautious and humble.