Messier 15 ndeimwe yemapuraneti akazara kwazvo anozivikanwa muMilky Way galaxy. Musimboti wayo wakave nekudzikira kunozivikanwa se "core collapse" uye ine yepakati density cusp ine huwandu hukuru hwenyeredzi dzakakomberedza chingave chiri bofu dema repakati. Imba kune nyeredzi dzinopfuura zviuru zana, iyo cluster inozivikanwa nekuve iine huwandu hwakawanda hwenyeredzi dzinoshanduka (112) uye pulsars (8), kusanganisira imwe nyeredzi mbiri yenyeredzi, M15-C. Inosanganisirawo Pease 1, iyo yekutanga mapuraneti nebula yakawanikwa mukati meye globular cluster muna 1928.
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