The Great Attractor is a diffuse concentration
of matter some 400 million light-years in size located around 250
million light-years away within The so-called "Centaurus
Wall" of galaxies
, about seven degrees off The plane of The Milky Way. X-ray observations with The ROSAT satellite Then revealed that Abell
3627 is at The center of The Great Attractor. It lies in The
so-called Zone of Avoidance, where The dust and stars of The Milky
Way's disk obscures as much as a quarter of The Earth's visible sky.