Ura ìre ntoronyan̄ òkup me etiti [centre] Ọgbọn̄ Ura kiji. Îre ntoronyan̄ òkitoon̄ unwan unwan. Ìkisan̄a esese esese lek unye-nrọ isibi, kire <infrared> (uyok), utoon̄ <ultraviolet>, <radio waves> mè utoon̄. Îkisan̄a si owuwa okpukpuk inu echi òkinire linyọn̄ kire unye efet eyi ura [solar wind]. Achubọk inu òkirom unye ya òkinan̄a me emen ura isibi ìre <nuclear fission>. Eyi ìre <reaction> òkimọnọ irek me emen ntoronyan̄, eyi òkinwene aidirojin itap me iliọm, mè isa me ikeya irom ikpele unye-nrọ isan̄a isibi. Ura ìre ikpele bọọlu pilasima òyoyok enenen. Ìsik sọnja morebe ofot ofot isan̄a.