Interstellar Space Arks - Humanity's Exodus From Earth

Earlier this year, Professor Stephen Hawking warned the human race that, unless we found a way to colonise another planet in the next hundred years, we would face a very real threat of extinction. He said: “With climate change, overdue asteroid strikes, epidemics and population growth, our own planet is increasingly precarious.” The idea of a brave band of people leaving Earth to start a new life elsewhere in the galaxy isn’t new. Rocket pioneer Robert H Goddard described an “inte