3 libuka tse molemohali tsa Carl Sagan
E etsahala ka seoelo. Boemo boo rasaense a qetellang ka bona hore o tsebahala haholo bo phetoa ka tsela e ts'oanang le tatellano ea lipolanete tsa rona tse robeli. Tabeng ea rona, ho ka qotsoa Eduard Punset. Boemong ba machabeng, Carl Sagan ke e mong oa likhokahano tse fapaneng, o fihlile ...