Word: fouth
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Dates: during 1930-1939
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...report announcing discovery and classification of a great stream of galaxies, the greatest of metagalactic clouds. It is 50,000,000 light-years long, 20,000,000 wide. Discovered on plates taken at Harvard's Southern Hemisphere station in South Africa, it lies athwart the sky near the Fouth celestial pole. Fifteen thousand galaxies or "island universes" were counted in it, all of them below the 16th magnitude in brightness. At first the cloud was classed simply as a "major irregularity." But the savants at Cambridge reasoned that it must contain at least 35,000 galaxies not apparent...