The Persianastronomer, Abd al-Rahman al-Sufi, mentioned a true nebula for the first time in his book, Book of Fixed Stars (964).[2] He said that there was a "little cloud" near the Andromeda galaxy.[3]
↑Latin for "cloud"; pl. nebulae, nebulæ, or nebulas. Nebula, Online Etymology Dictionary
↑Kenneth Glyn Jones 1991. Messier's nebulae and star clusters. Cambridge University Press. p1 ISBN0521370795
↑Harrison, T.G. (March 1984). "The Orion Nebula — where in history is it". Royal Astronomical Society Quarterly Journal. 25 (1): 70–73. Bibcode:1984QJRAS..25...65H.