Great Attractor


noun

a vast concentration of matter whose gravitational pull alters the direction and speed of the Milky Way and other galaxies as they spread apart in the expanding universe posited by the big bang theory.

Origin of Great Attractor

First recorded in 1985–90

British Dictionary definitions for great attractor

Great Attractor

noun

astronomy a large mass, possibly a gigantic cluster of galaxies, postulated to explain the fact that many galaxies appear to be moving towards a particular point in the sky