Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Waɗannan abubuwa ne da ba safai ake ganinsu ba; an kimanta cewa babu fiye da taurari 20,000 na aji O a cikin dukan Milky Way, kusan ɗaya cikin taurari 10,000,000. Taurari na babban jerin O suna tsakanin 15 da 90 M<unk> kuma suna da yanayin zafin jiki tsakanin 30,000 da 50,000 K. Hasken su na bolometric yana tsakanin 30,000 da 1,000,000 L<unk>. Radiyoyinsu sun fi tawali'u a kusan 10 R <unk>. Girman ƙasa yana kusan sau 10,000 na na Duniya, ƙananan ƙananan don babban jerin taurari. Matsakaicin girman yana daga kusan -4, sau 3,400 ya fi hasken rana, zuwa kusan -5.8, sau 18,000 ya fi hasken rana. Taurari na Class O suna da ƙuruciya, ba su wuce 'yan shekaru miliyan ba, kuma a cikin galaxy ɗinmu duk suna da ƙarfe mai yawa, kusan sau biyu na rana. Taurari masu nau'in O-type a cikin Babban Magellan Cloud, tare da ƙananan ƙarfe, suna da yanayin zafi mafi girma, tare da mafi mahimmancin dalili shine ƙananan asarar nauyi. Taurari masu haske na aji O suna da asarar nauyi fiye da miliyan M<unk> kowace shekara, kodayake mafi ƙarancin haske suna rasa ƙasa da ƙasa. Ruwan tauraron su yana da saurin gudu a kusa da kilomita 2,000 / s.  Tambaya: Taurari nawa ne aka kimanta cewa akwai a duniya?
dubu ashirin