PCS 181 Lecture Notes - Acetylene, Panspermia, Magic 2Ch

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Hypothetical titan life forms (cid:215) (cid:215) (cid:215) (cid:215) (cid:224) (cid:215) (cid:215) (cid:215) (cid:215) Problem with this is: organisms on craft could be a result of probe contamination on earth. (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) T core > 10 x 10 (to the 6) k (cid:224) hydrogen fusion nuclear reactions in the core, helium build up in core. (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) Detection of extra solar planets (cid:215) (cid:215) (cid:215) (cid:215) (cid:215: transit method: planet passes in front of star; we observe changes in star"s brightness. 600 ly from us (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) Planet"s atmosphere may offer protection. (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215) (cid:215)

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