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by Retric 4082 days ago
Your assuming you can send colony probes at more than 10% of the speed of light. IMO more reasonable assumptions push colonizing the milky way out to 100+ million years.

Honestly it seems like people look at light speed the same way they look at markets and forget there are numbers below 1%. There are several ways to get a small probe up to fairly high speeds but slowing down is a lot more difficult.