Isi
Isi [1]
Abemera Materialism bavuga ko ubushakashatsi bwagaragaje ko isi, ikirere, izuba n inyenyeri byose bigizwe na Eléments zigera kuri 103 kandi kera cyane bikaba byari byibumbiye hamwe mu gacu (Disc) kaje guturitswa n ubushyuhe bugaturutsemo, havamo amabango (Etoiles) yagurukiye ahantu hatandukanye. Bitewe n aho buri bango ryagiye (températures) amabango amwe yabaye solides, liquides cyangwa gaz. Iryo turika ryitwa le Big Bang ryaba ryarabaye mu myaka 5 000 000 000 ishize. Wand
Ibango ryitwa Isi ryari rigizwe ahanini n urusobe rw imyuka yiganjemo amazi (H2O) agera kuri 84,4% ryatangiye kuzenguruka ibango ryitwa izuba maze iyo si igenda itakaza imyuka n amazi bijya hagati yayo n izuba, bityo ikirere (hagati y isi n izuba) cyuzuye iyo myuka kiba kirabonetse.
Uko isi yagiye yegerana kuruhu rwayo hagiye hakonja naho mu nda harushaho gushyuha bituma ibiyigize bishonga (en fusion) maze byipanga hakurikije uburemere (densité) ibiremereye cyane bijya hasi ibyoroshye bijya ku ruhu.
Kubera ubushyuhe, imyuka ntiyihanganiye kuguma imbere y urwo ruhu, ahubwo yaturikije uruhu rw isi yigira hanze mu kirere (Atmosphère). Nyuma y imyaka 150 000 000, iyo myuka yabyaye igihu cyagiye gikonja kibyara imvura yaguye imyaka ibihumbi, amazi yuzura mu binogo byasizwe na wa mwuka wapfumuye uruhu rw isi, bityo havuka inyanja n ibiyaga ari nabyo byabaye isoko y ubuzima.
