Ka taƙaita labarin:  Biliyoyin taurari a cikin galaxy suna da tsakanin daya da uku taurari wanda zai iya tallafawa rayuwa. Masana ilimin taurari sun kammala hakan bayan sun yi lissafin yiwuwar duniyoyi da ke zagayawa a cikin 'Goldilocks zone'. Wannan shi ne belin da ke kewaye da tauraro inda yanayin zafi ya dace da ruwa mai ruwa don tarawa a farfajiyar duniya, kuma don rayuwa ta waje ta wanzu. Hoton ya nuna yankin da za a iya zama a cikin taurari iri-iri. Yankin kore shine yankin da ake iya zama (HZ), inda ruwa mai ruwa zai iya wanzu a farfajiyar duniyar. Yankin ja yana da zafi sosai ga ruwa mai ruwa a farfajiyar duniyar kuma yankin shudi yana da sanyi sosai ga ruwa mai ruwa a farfajiyar duniyar. Steffen Kjaer Jacobsen, daga Jami'ar Copenhagen ya ce: "Bisa ga kididdiga da kuma abubuwan da muke da su, yawancin duniyoyin da ke yankin da ake iya zama a ciki za su kasance taurari masu kauri inda za a iya samun ruwa mai ruwa da kuma inda rayuwa za ta iya kasancewa". Abubuwan da aka gano sun dogara ne da bayanai daga sararin samaniya na sararin samaniya na NASA na NASA, wanda ya tabbatar da wanzuwar kimanin taurari 1,000 da ke kewaye da taurari a cikin Milky Way. Ya kuma gano kimanin wasu duniyoyi 3,000 da za su iya wanzuwa. Yawancin taurari suna da tsarin hasken rana na taurari biyu zuwa shida, amma masana kimiyya sun yi imanin cewa akwai wasu da yawa da Kepler bai gano ba, wanda ya fi dacewa da gano manyan taurari a cikin kusurwoyi masu kusanci. Don su san inda 'ɓoyayyun' taurari suke, masu binciken sun yi amfani da lissafi da aka yi shekaru 250 da suka shige da ake kira dokar Titius-Bode. Hoton da aka nuna sune tsarin exoplanetary inda aka nuna duniyoyin da aka sani a baya tare da dige masu launin shuɗi, yayin da dige ja ke nuna duniyoyin da dokar Titius-Bode ta annabta game da tsarin tsarin taurari. Tsarin duniya 124 a cikin binciken <unk> bisa ga bayanai daga tauraron dan adam Kepler, ya dace da wannan dabara. Dokar, wacce ta nuna kasancewar Uranus kafin a gan shi, ta bayyana cewa akwai wani rabo tsakanin lokutan zagaye na taurari a cikin tsarin hasken rana. An tsara dokar Titius-Bode a kusa da 1770 kuma...
Masana ilmin taurari sun yi amfani da ingantacciyar hanyar lissafi mai shekaru 250 da haihuwa. Ya taimaka wajen hasashen jimillar taurari 228 a cikin tsarin taurari 151. Sun yi imanin cewa akwai daya zuwa uku taurari a cikin habitable yankin na kowane. Idan aka kara lissafin zuwa ga dukan Milky Way yana nufin akwai duniyoyi masu zama fiye da yadda aka yi imani da su.