- a huge supercluster of many thousands of galaxies: the Milky Way is included in one of its three component parts.
Origin of Laniakea
2014; Hawaiian: immeasurable (or immense) heaven
Also called Laniakea Supercluster.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for laniakea
In the new paper, Laniakea is defined by a gravitational boundary.
The size and shape of Laniakea depend on the rate of cosmic expansion, which is described by the Hubble parameter.