Aliens and UFOs
In 1962, Russian astrophysicist Nikolai Kardashev said that there were three types of advanced extraterrestrial civilizations; one that could collect the planet resources, one...
Hi, what are you looking for?
Hi, what are you looking for?
In 1962, Russian astrophysicist Nikolai Kardashev said that there were three types of advanced extraterrestrial civilizations; one that could collect the planet resources, one...