Types and Morphology
Galaxies come in three main types: ellipticals, spirals, and irregulars. A slightly more extensive description of galaxy types based on their appearance is given by the Hubble sequence. Since the Hubble sequence is entirely based upon visual morphological type, it may miss certain important characteristics of galaxies such as star formation rate (in starburst galaxies) and activity in the core (in active galaxies).
Read more about this topic: Galaxy
Famous quotes containing the words types and, types and/or morphology:
“The bourgeoisie loves so-called positive types and novels with happy endings since they lull one into thinking that it is fine to simultaneously acquire capital and maintain ones innocence, to be a beast and still be happy.”
—Anton Pavlovich Chekhov (18601904)
“Hes one of those know-it-all types that, if you flatter the wig off him, he chatter like a goony bird at mating time.”
—Michael Blankfort. Lewis Milestone. Johnson (Reginald Gardner)
“I ascribe a basic importance to the phenomenon of language.... To speak means to be in a position to use a certain syntax, to grasp the morphology of this or that language, but it means above all to assume a culture, to support the weight of a civilization.”
—Frantz Fanon (19251961)