>This is the big question to me... when is the right time to go? Could a natural extinction event happen in the next 50 years? If the answer is 'yes', I think

>This is the big question to me... when is the right time to go? Could a natural extinction event happen in the next 50 years? If the answer is 'yes', I think we should go as soon as it is possible. Humanity has been much closer to self-annihilation in the past. That gives me hope that we wont nuke ourselves before a giant rock falls from the sky ;)