Izincwadi ezi-3 ezihamba phambili zikaCarl Sagan
Kwenzeka kuyaqabukela. I-cadence lapho usosayensi agcina esengumsakazi ophumelelayo uyaphindwa ngokuhambisana nokuqondanisa kwamaplanethi ethu ayisishiyagalombili. Esimweni sethu, kungacashunwa u-Eduard Punset. Ezingeni lamazwe ngamazwe, u-Carl Sagan ungomunye walabo bantu abahlukahlukene abaxhumana nabo, abafikile ...