>A billion years pass, the Universe is rich with intelligent life. And they can still detect the echoes of the ones who were first, crying out across the univer

>A billion years pass, the Universe is rich with intelligent life. And they can still detect the echoes of the ones who were first, crying out across the universe in search of companionship. Or what if the window of time in which life can exist on a planet is so short compared to how long it takes for life to appear on that planet, that it is extremely unlikely for two planets to have life at the same time? A lot of questions, and a lot of possible answers