We have learned how to navigate to the moon. That is like the ancient Chinese mainlanders learning how to get to Formosa; Formosa is the moon. After we settle it, we jump off from there to Mars, just like they went next to the Philippines. And from there across our vast galaxy. If the Austronesians can sail in there boats and scatter into settlements across Oceania, we can take our spacecraft and scatter and settle across the Milky Way. It may take even longer than it took the Austronesians, but if they did it, so can we, because they are us.