extra-terrestrial
There can’t be alien beings from other planets, can there?
Aliens. Great for SciFi movies, but in real life, they can’t exist, can they? Well back in 1961 Dr Frank Drake came up with an equation, that would be known by the name “The Drake Equation”, to estimate the number of communicative civilisations within the Milky Way Galaxy. What is a Galaxy? Now if you’re…
