500 million light-years away, wireless signals are being sent out, and alien civilizations are “calling the earth”? 500 million light-years away, wireless signals are being sent out, and alien civilizations are “calling the earth”?
If a low-level civilization planet is discovered by humans, will we choose to destroy it? If a low-level civilization planet is discovered by humans, will we choose to destroy it?
There may be a large number of extraterrestrial detectors in the Milky Way, but they are too small for us to see There may be a large number of extraterrestrial detectors in the Milky Way, but they are too small for us to see
Humans can’t find an alien civilization. There may be 5 reasons, two of which may be the truth. Humans can’t find an alien civilization. There may be 5 reasons, two of which may be the truth.
Is it possible that human beings are the most advanced civilization in the universe? Is it possible that human beings are the most advanced civilization in the universe?
Proxima Centauri sent a mysterious radio wave to the earth, can we reply? Proxima Centauri sent a mysterious radio wave to the earth, can we reply?
The six discoveries of alien civilization exploration in 2020, each of which can make us a big step forward The six discoveries of alien civilization exploration in 2020, each of which can make us a big step forward
If an alien civilization takes the initiative to “call” humans, should we reply? If an alien civilization takes the initiative to “call” humans, should we reply?
Why can’t I find an alien civilization? In addition to the law of the dark forest, there is a more fearful theory Why can’t I find an alien civilization? In addition to the law of the dark forest, there is a more fearful theory
What is the probability of an alien civilization? A formula tells us the answer What is the probability of an alien civilization? A formula tells us the answer