An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

The physical body that attracts. → Great Attractor.

→ attract; → -or.

A hypothesized large concentration of mass (about 10¹⁶  → solar masses), some hundred million → light-years from Earth, in the direction of the → Centaurus → supercluster, that seems to be affecting the motions of many nearby galaxies by virtue of its gravity.

→ great; → attractor.