How long before we receive an extra-terrestrial signal?
7 mins
What is it about?
Astronomy
Human Society
The potential presence of other intelligent forms of life in the Universe has been a long-standing question for many specialists since ancient times. Copernican principle states that there are no “special” observers in the Universe; if we extend this idea further, we would assume that the Earth, aka a planet populated with living organisms, including organisms capable of intelligence, is not rare and there is a likelihood of existence of similar life forms.