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Originally Posted by Moontanman To me it depends on how serious you take the theory of relativity, if light is indeed the ultimate speed limit then we are in little or now danger, if there is a way around light speed limits then it might be a good idea to keep our heads low until we too can break the speed limit. any way you look at it we are announcing our existence to the universe via radio signal leakage into the universe. |
I read a sci fi novel about this once, a very paranoid alien species with some advanced technology lived just 40 light years away. They detected us, and decided we were a threat. They launched box-car sized relativistic projectiles at .7c in our direction (the novel didn't expound on exactly how they did this, so suspension of disbelief was required). So it took a couple hundred years for the projectiles to arrive. The projectiles were designed to adjust trajectories to home in on any significant sources of radio emissions. By the time the projectiles arrived, we had colonies on Mars, Titan, and a few other places, and had found the DNA of Jesus and Budda, from which we had created clones who were natural born leaders. The projectiles took out earth, and all our major colonies, but under the leadership of the Jesus/Budda clones, we survived in the Kuiper belt and, very quietly, rebuilt civilization. Then, when the time for vengeance came, there was no turning the other cheek....