well.. if we don't get off this planet within the next (approx) 4 Billion years.. our species will snuff it as the sun grows to a red giant. so assuming all li

well.. if we don't get off this planet within the next (approx) 4 Billion years.. our species will snuff it as the sun grows to a red giant. so assuming all life across the universe starts from similar beginnings as us, then this tells us something about what an advanced civilisation needs to be capable of to survive.