Duplicate Earths have been a staple of science fiction for a long time. Star Trek has had several of them, and the Marvel Universe has Counter-Earth, and there were other movies like “Journey to the Far Side of the Sun”. A Counter-Earth has been a philosophical concept for thousands of years.
Duplicate Earths have been a staple of science fiction for a long time. Star Trek has had several of them, and the Marvel Universe has Counter-Earth, and there were other movies like “Journey to the Far Side of the Sun”. A Counter-Earth has been a philosophical concept for thousands of years.