The term “exo” comes from the English word “extraterrestrial”. The most famous “extraterrestrial” phenomenon is, of course, E.T. – The Extra-Terrestrial, the alien from the 1982 Steven Spielberg film. Although
Before I write about why we are seemingly alone in the cosmos, let’s look at how physicist Enrico Fermi created the Fermi paradox by asking the same question: “The Fermi
