Sa'an nan kuma amsa tambaya a baya a cikin wannan harshe kamar yadda sashi: Hanyar: Tsarin tafiyar duniya yana faruwa lokacin da wani tauraron dan adam ko wani tauraron dan adam ya yi hulɗa tare da diski na gas ko planetesimals, wanda ya haifar da canjin yanayin yanayin tauraron dan adam, musamman ma babban rabinsa. Tsarin tafiyar duniya shine mafi mahimmancin bayani game da hot Jupiters: exoplanets tare da Jovian masses amma orbits na kawai 'yan kwanaki. Ka'idar da aka yarda da ita game da tsarin duniya daga wani disk na protoplanetary ya annabta irin wannan tauraron ba zai iya samuwa ba kusa da tauraron su, kamar yadda babu isasshen taro a irin wannan ƙananan radii da kuma yawan zafin jiki ya yi yawa don ba da damar kafa dutsen kankara ko planetesimals. Tambaya: Mene ne ake kira lokacin da wata duniya ko wani abu ya motsa daga yanayinsa na al'ada?
Gudun Hijira na Duniya