Centaurus cluster

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Centaurus cluster

[sen′tȯr·əs ‚kləs·tər]
(astronomy)
A large cluster of galaxies that shows a composite structure, with a concentration of galaxies having recession velocities of about 3000 kilometers (1900 miles) per second, and a weaker concentration having recession velocities of about 4500 kilometers (2800 miles) per second.