A Sizeable Supercluster Our celestial home just got a whole lot bigger — on the astronomical map, at least. This week, a team of astronomers re-charted the supercluster of galaxies that includes the Milky Way, finding it to be 100 times bigger in volume and mass than previously thought. In a new study, published in the journal Nature, the researchers chronicled the motions of the galaxies, in order to determine the “gravitational landscape” of the local Universe. The team named the enormous supercluster Laniakea – Hawaiian for “immeasurable heaven.” Nature.
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