
The Great Attractor is a gravity anomaly in intergalactic space within the vicinity of the Hydra-Centaurus Supercluster at the center of the Laniakea Supercluster that reveals the existence of a localized concentration of mass tens of thousands of times more massive than the Milky Way. This mass is observable by its effect on the motion of galaxie...
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proposed concentration of mass that influences the movement of many galaxies, including the Milky Way. In 1986 a group of astronomers observing the ... [1 related articles]
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A hypothesized large mass, about 150 million light-years away in the direction of the Virgo-Hydra-Centaurus superclusters, that seems to be affecting the motions of many nearby galaxies. The amount of mass proposed amounts to tens of thousands of galaxies. However, the nature and even the existence ...
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[
n] - a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies
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