Search: Dictionary All Posts
Store Your Knowledge at the Brain Bank!
nebula Definition
Cancel
nebula
noun(neb-u-la)any of numerous clouds of gas or dust in interstellar space
nebula
noun(neb-u-la)galaxy; especially : a galaxy other than the Milky Way galaxy —not used technically
nebula
noun(neb-u-la)a usually compact luminous ring-shaped nebula that is composed of matter which has been ejected from a hot star at its center
nebula
noun(neb-u-la)a galaxy exhibiting a central nucleus or barred structure from which extend curved arms of higher luminosity —called also spiral nebula