Labels:brass | bulletin board OCR: If the appearance of life on a given planet was very unlikely one might have expected it to take a long time More precisely one might have expected life to appear just in time for the subsequent evolution to intelligent beings like uS to have occurred before the cutoff provided by the lifetime of the Sun This is about ten billion years after which the Sun will swell up and engulf the Earth. An intelligent form of life might have mastered space travel and be able to escape to another star. But otherwise life on Earth would be doomed flife
(.png)
