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首页星系壁纸 Hubble Frontier Field Abell 2744

Hubble Frontier Field Abell 2744

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by NASA/ESA/STScI

NASA Image Library · 公有领域（Public Domain）

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This long-exposure image from NASA Hubble Space Telescope of massive galaxy cluster Abell 2744 is the deepest ever made of any cluster of galaxies. Shown in the foreground is Abell 2744, located in the constellation Sculptor.

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