Jupiter shine mafi tsufa!

Ya zama cewa mafi tsufa duniya a tsarin hasken rana shine Jupiter. Masana kimiyya daga Laboratory National Lawrence Livermore da Cibiyar Nazarin Paleontology a Jami'ar Munster sun ce wannan. Ta hanyar nazarin isotopes na tungsten da molybdenum a cikin meteorites na ƙarfe, sun kai ga ƙarshe cewa sun fito ne daga gungu biyu waɗanda suka rabu da juna a wani wuri tsakanin shekaru miliyan zuwa 3-4 bayan samuwar tsarin hasken rana.

Mafi mahimmin bayani game da rarrabuwar waɗannan gungu shine samuwar Jupiter, wanda ya haifar da gibi a cikin faifan protoplanetary kuma ya hana musayar kwayoyin halitta a tsakaninsu. Don haka, jigon Jupiter ya samo asali da wuri fiye da nebula na tsarin hasken rana ya bazu. Bincike ya nuna cewa hakan ya faru ne shekaru miliyan kacal bayan samuwar Tsarin.

Masana kimiya kuma sun gano cewa sama da shekaru miliyan, jigon Jupiter ya samu adadi mai girman gaske wanda ya kai kusan ma'aunin duniya ashirin, sannan kuma a cikin shekaru miliyan 3-4 masu zuwa, girman duniyar ya karu zuwa duniyoyi hamsin. Tunanin da ya gabata game da kattai na iskar gas sun ce suna yin kusan sau 10 zuwa 20 na yawan duniya sannan kuma suna tara iskar gas a kusa da su. Ƙarshen ita ce, dole ne irin waɗannan duniyoyi sun kasance kafin bacewar nebula, wanda ya daina wanzu shekaru miliyan 1-10 bayan samuwar tsarin hasken rana.