Asfijjej (S Teglizayt: Luminosity) deg tasnallunt d tasmekta tamatant n tfasa id itteffeɣen seg yetri neɣ amazellaw neɣ seg tafekka tagnnawt i yall tigget tawalant.

Tugna i wmazellaw n NGC 4945 dgi id tettbin tasmekta meqqren n usfijjej i yguza itrawen ilemmasen ayen yesskanayen s tilin n uɣyay amazellaw asermad deg tlemmast n umazellaw

Deg tesnallunt ẓreg

Deg wakat n tafat ẓreg

Imniren ẓreg