JoshuaZ comments on To reduce astronomical waste: take your time, then go very fast - Less Wrong

46 Post author: Stuart_Armstrong 13 July 2013 04:41PM

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Comment author: JoshuaZ 12 July 2013 04:54:20AM 2 points [-]

the probes would be very small, the deceleration signature virtually undetectable.

Sure, but if they start doing stuff on any large scale on another solar system, that should be noticeable. We don't see any evidence that star's energy is being harvested.