plural of superluminous spiral galaxy

plural of green pea galaxy

(astronomy) A galaxy where a significant fraction of the energy output is not emitted by the normal components of a galaxy.

(astronomy) A relatively nearby spiral galaxy in the Local Group, together with the Milky Way galaxy. It is at a distance of approximately 2.6 million light years from Earth, in the direction of the constellation Triangulum.

(astronomy) A galaxy that is undergoing a high rate of star formation

(astronomy) Any galaxy, considerably smaller than the Milky Way, that has only several billions of stars.

(astronomy) A galaxy which is has no spirals and is not elliptical.

(astronomy) A galaxy that, like spiral galaxies, has a flat disk, but unlike them has lost most of its interstellar matter and therefore has no spirals; considered a transitional form between spirals and elliptical galaxies.

(astronomy) A galaxy having a number of arms of younger stars that spiral out from the centre containing older ones

A galaxy having a smooth, featureless light-profile. It is one of the three main classes of galaxies originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae”.