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.
[ 1985-90 ]
GREAT ATTRACTOR
Meaning of GREAT ATTRACTOR in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012