Photo: Giant "Blob" Is Largest Thing in Universe

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Japanese astronomers have discovered what they call the largest object in the universe: a colossal structure 200 million light-years wide containing galaxies and gas clouds.

The structure, seen here in a three-dimensional image, is reportedly 12 billion years old and may hold clues about the formation of the earliest stars and galaxies.

Image © Subaru Telescope, National Astronomical Observatory of Japan

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