M87 continued to be called an extragalactic nebula for many years thereafter, but by 1956 it had been identified as an E0-type galaxy.
परिभाषा
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula'' is a former name for `galaxy''" पर्याय: galaxy,
मोबाइल