Given that the half-century-old technology embodied in Voyager 1 and 2 recently traversed the boundary between the solar wind and the interstellar medium, it is likely that within the next century our civilization will exit the solar system boundary, marked by the Oort cloud, a thousand times farther away. Venturing into interstellar space will signal our transition from a sun-based residence to the grander neighborhood of other stars in the Milky Way galaxy.
And there may be alien traffic out there.
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