Go to Mars, they said. And to Mars, we went We had no idea that over time, we would be referred to as the Sister Planet. A term which came to mean the bastard sibling no one wants to claim. Because we threw out all of Earth's rules and live by our own: Anything goes. A place where you can be single...or you can date six people. Earth frowns at our heathen ways. But the joke's on them. Centuries later, we've bypassed them in...