Quadrillion

Comparison image: Hubble and HAWK-I explore a cluster with the mass of two quadrillion Suns
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Huge 'El Gordo' Galaxy Cluster Packs Mass of 3 Quadrillion Suns (Photos)
www.space.com
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The most massive galaxy cluster ever observed in the early universe is quite a bit bigger than astronomers had thought. New measurements by NASA's Hubble Space Telescope suggest that the cluster nicknamed "El Gordo" (Spanish for "the fat one") …

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