Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Tsarin da aka saba da shi don haihuwar taurari shine ta hanyar rushewar nauyi na girgije mai sanyi na gas da ƙura. Yayin da girgijen ya ragu yana dumama saboda tsarin Kelvin <unk> Helmholtz. A farkon tsari, gas ɗin da ke ƙuntatawa da sauri yana fitar da yawancin makamashi, yana ba da damar rushewa ya ci gaba. A ƙarshe, tsakiyar yankin ya zama mai yawa don kama radiation. Sakamakon haka, yawan zafin jiki na tsakiya da yawan girgijen da ya rushe yana ƙaruwa sosai tare da lokaci, yana rage raguwa, har sai yanayin yana da zafi da yawa don halayen thermonuclear su faru a cikin zuciyar protostar. Ga mafi yawan taurari, gas da kuma radiation matsa lamba generated da thermonuclear hadawa halayen cikin zuciyar da star zai goyi bayan shi da wani kara gravitational contraction. An kai daidaiton hydrostatic kuma tauraron zai ciyar da mafi yawan rayuwarsa ta haɗuwa da hydrogen zuwa helium a matsayin babban tauraron tauraron.  Tambaya: Menene tasirin tsarin Kelvin-Helmholtz?
yankin tsakiya ya zama mai yawa don kama radiation