The sun moves relative to the neighboring stars. That means we have periodic close encounters (d < 1ly) with other stars, and effectively the Earth starship arg

The sun moves relative to the neighboring stars. That means we have periodic close encounters (d < 1ly) with other stars, and effectively the Earth starship argument holds. The lazy way to travel the stars is to figure how to avoid killing ourselves for tens of thousands of years, while the stars come to us. See the list of future close encounters at https://en.m.wikipedia.org/wiki/List_of_nearest_stars_and_brown_dwarfs https://en.m.wikipedia.org/wiki/List_of_nearest_stars_and_br...