Kwanan nan, zai zama kamar abin mamaki cewa masu ilimin taurari za su iya amfani da na'urar hangen nesa don kallon taurari a kusa da daruruwan hasken shekaru da yawa daga tsarinmu. Sai dai haka ne, inda na'urorin hangen nesa da aka harba a sararin samaniya suka taimaka sosai. Musamman ma, aikin Kepler, wanda sama da shekaru goma na aiki ya tattara tushe na dubban exoplanets. Har ila yau ana buƙatar yin nazari da nazarin waɗannan ɗakunan ajiya, da sabbin hanyoyin bincike yin bincike mai ban sha'awa.
Alal misali, a cikin wani labarin kwanan nan a cikin littafin Tawagar masana kimiyya daga Jami'ar Jihar Washington ta ba da rahoton zaɓin 24 exoplanets, yanayin rayuwa wanda zai iya zama mafi dacewa fiye da na duniya. An zaɓi Exoplanets daga ma'ajin bayanai na Kepler orbital telescope manufa, wanda ake kira , lokacin da aka gano duniya yayin wucewa ta faifan tauraruwar iyayenta.
Amma kafin neman “aljannai” na waje, masana kimiyya sun kafa ma'auni da za a yi sabon zaɓi. Don haka, ban da neman exoplanets a cikin yankin taurari, inda ruwa zai iya tsayawa a kan duniyar dutse kuma ba zai daskare ko tafasa ba, an ƙara wasu sababbi da yawa cikin abubuwan binciken. Da fari dai, an ba da shawarar nemo exoplanets a cikin tsarin taurarin ƙasa da Rana, wanda ke cikin (Rana ce class G). Dwarfs masu ƙarancin zafi kaɗan suna rayuwa har zuwa shekaru biliyan 70, yayin da taurarin nau'in G ba su da tsayi sosai kuma suna rayuwa kusan shekaru biliyan 10. Hanya mai tsayi biliyan 70 na iya ba wa rayuwa kyakkyawar dama ta haɓaka fiye da hanya sau bakwai gajarta.
Na biyu, wani ɗan ƙaramin girma fiye da duniya, ya ce 10% ya fi girma, zai samar da ƙarin yanki don rayuwa. Na uku, mafi girman sararin samaniya, sau ɗaya da rabi ya fi Duniya girma, zai iya riƙe yanayi mai tsawo kuma, saboda ƙarin aiki kuma mafi girma, zai riƙe zafi mai tsawo. Hakanan ya shafi filin lantarki, wanda aka yi imani da cewa yana da yawa saboda tsakiya. Na hudu, idan matsakaicin zafin jiki na shekara-shekara a kan exoplanet ya kasance sama da 5 ° C fiye da na duniya, wannan kuma zai yi tasiri mai kyau akan bambancin halittu.
Gabaɗaya, babu ɗaya daga cikin 'yan takara 24 na exoplanet don rawar "aljanna" da za su iya yin alfahari da dukan hadaddun abubuwan da ke haifar da tarzomar rayuwa, amma ɗayansu a lokaci guda ya cika sharuɗɗa huɗu. Don haka, masana kimiyya sun zaɓi manufa don yin nazari na kusa da ’yan takara don rayuwar baƙo. Amma iko da hanyoyin kimiyya ba su da iyaka. Ba shi yiwuwa ba tare da manufa ba.
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source: 3dnews.ru