A na-ekwu na ọtụtụ nnukwu ụyọkọ kpakpando nwere nnukwu oghere ojii nke nwere ọtụtụ nde ruo ọtụtụ ijeri ugboro nke anyanwụ. Na quasars na ụdị AGN ndị ọzọ, oghere ojii ahụ gbara gburugburu diski gas. Ka gas na-adaba n'ebe oghere ojii ahụ, a na-ewepụta ume n'ụdị radieshon electromagnetic, nke a pụrụ ịhụ gafee ụdị electromagnetic. Ike nke quasars na-enwu bụ nnukwu: quasars kachasị ike nwere ọtụtụ puku ugboro karịa luminosities nke ụyọkọ kpakpando dị ka Milky Way. Okwu "quasars" sitere na mgbagwoju anya nke kpakpando yiri kpakpando [quasars] nwere ọtụtụ ihe dị iche iche na-egosi na ha dị ike, karịsịa n'ihi ọnụ ọgụgụ dị elu nke quasars na-egosi na ọnụ ọgụgụ dị elu nke ndị na-ekiri ihe nkiri na-egosi na ha nwere ike ịhụ ihe ndị ọzọ na-ahụ anya, dị ka ihe ndị na-ahụ anya na redio, igwefoto na-ahụ anya na igwefoto na-ahụ anya na igwefoto na-ahụ anya na igwefoto na igwefoto na-ahụ anya.
ihe dị n'ime ya ji ihe karịrị otu ijeri okpukpu karịa nke anyanwụ