The Science of Star Wars: The Scientific Facts Behind the Force, Space Travel, and More!

by Mark Brake

Experts now believe there are four factors of our current extinction crisis, which make it unique in Earth’s history. These four factors are: the spread of non-native species around the world; a single species (humans) taking over a significant percentage of the world’s primary production; human actions increasingly directing evolution; and the rise of the technosphere—that vast, sprawling fusion of humanity and its technology.

The evidence is clear. To better ensure our survival, we need a space program.