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If there is an advantage to be had by sensing light. 'Eyes', or other light sensing methods, will evolve. Even plants, no eyes, make sure to reach for the sun.
If we believe planets orbiting a star are the most likely places to produce life. Then I wouldn't be surprised to find eyes on aliens.
On the other hand, if i remember correctly. A lot of life on earth consists of bacteria in the earths crust, slowly munching away whatever they deem munchable. Maybe these are the most prolific aliens, who knows? I just wish i'm still around when they find out.
Indeed, especially the robots. Amazing.
Permalink Mon, 03 Oct 2011 11:05:33 UTC | #877337