Alternative form of galaxywide

(galaxies) a type of galaxy created by ram pressure stripping the interstellar gas from a galaxy by the high temperature higher pressure intracluster medium, forming long tendrils of concentrated gas trailing behind the galaxy, which form nebulae and new stars, giving the appearance of celestial jellyfish

Alternative form of galaxy-brain

(Internet slang, often sarcastic) Enigmatic, perplexing, unfathomable; difficult to understand or comprehend.

(astronomy) A type of starburst galaxy that primarily emits radiation in the sub-mm/T-hertz range. Due to the extreme dustiness of the galaxy, they are visible mostly in infrared emissions at their redshift, which are subsequently redshifted into the submm/THz range by Hubble expansion.

(astronomy) Ellipsis of green pea galaxy.

(astronomy) A faint galaxy, devoid of gas, having a higher than normal proportion of dark matter; especially those that orbit the Milky Way and Andromeda

(astronomy) a spiral galaxy with discontinuous spiral arms

(astronomy) The galaxy in which Earth and the rest of the Solar System is located.

(astronomy) a very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h₅₀⁻¹ Mpc)