<P> Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance . There are several schemes in use by which galaxies can be classified according to their morphologies , the most famous being the Hubble sequence , devised by Edwin Hubble and later expanded by Gérard de Vaucouleurs and Allan Sandage . </P>
<P> Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance . There are several schemes in use by which galaxies can be classified according to their morphologies , the most famous being the Hubble sequence , devised by Edwin Hubble and later expanded by Gérard de Vaucouleurs and Allan Sandage . </P>
who created the classification system that divides galaxies by shape
who created the classification system that divides galaxies by shape
Edwin Hubble
Edwin Hubble