I, too, would have thought that 4 years ago, however:
[Edited to make the pics more better]
Being a long-time tumblr user, I can say this statement is
He’s the only one I trust to pilot it.
Earth by David Brin. Worth a read. Just please keep in mind it’s science fiction, not science.
I see your google, and I raise you
The closest encounter will be by Pioneer 10 with the K8 dwarf HIP 117795, at 0.23 pc in 90 kyr at a high relative velocity of 291 km/s.
Don’t get too excited, though.
Statistically, a spacecraft will encounter stars within a given distance at approximately the same rate as the Sun does, which Bailer-Jones et al. (2018b) inferred to be one star within 1 pc every 50 kyr.
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