The Shapley attractor is an attractor located about the Shapley Supercluster. It is opposed to the

Dipole Repeller The dipole repeller is a center of effective repulsion in the large-scale flow of galaxies in the neighborhood of the Milky Way, first detected in 2017. It is thought to represent a large supervoid, the ''Dipole Repeller Void''. The dipole ...

, in the CMB dipole of local galactic flow. It is thought to be the composite contributions of the

Shapley Concentration The Shapley Supercluster or Shapley Concentration (SCl 124) is the largest concentration of galaxies in our nearby universe that forms a gravitationally interacting unit, thereby pulling itself together instead of expanding with the universe. It a ...

and the

Great Attractor The Great Attractor is a gravitational anomaly in intergalactic space and the apparent central gravitational point of the Laniakea Supercluster. The observed anomalies suggest a localized concentration of mass millions of times more massive tha ...

References

Shapley Supercluster {{physical-cosmology-stub