astroengine writes Using a new mapping technique that takes into account the motions — and not just the distances — of nearby galaxies, astronomers discovered that the Milky Way is located in the suburb of a massive, previously unknown super-cluster they named Laniakea, a term from Hawaiian words meaning "immeasurable heaven." Actually, Laniakea's girth is measurable, though difficult to conceptualize. The super-cluster spans 520 million light-years in diameter, more than five times larger than the cluster previously believed to be the Milky Way's cosmic home.
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