<prompt> Bhala okuqhubekayo kwalesi sigaba - UKnut Lundmark wayengomunye wamaphayona ekutadisheni kwanamuhla kwemithala namabanga ayo. Wayengomunye wabokuqala ukusola ukuthi le mibuthano yezinkanyezi iyizinhlelo zezinkanyezi ezikude kakhulu futhi akuzona izinto eziseduzane eziyingxenye yomthala wethu, iMilky Way. Ngo-1919 walinganisa ibanga eliya ku-M31 i-Andromeda Galaxy, kuya eminyakeni engu-650,000 yokukhanya cishe ingxenye yesine yenani lanamuhla esebenzisa ubukhulu be-novae etholakala ku-M31 futhi eyiqhathanisa nalabo abaseduze abanamabanga aziwayo. Umsebenzi kaLundmark waba nengxenye engxoxweni eyaba yiMpi Enkulu edumile kamuva  <response>: ukuthi ama-nebula ayengama-galaxy noma ayegcwele igesi ekhanyayo. 