Astronomers have discovered a distant cluster of galaxies, called the Pandora Cluster, that has been hiding in plain sight for billions of years. Located about 7.5 billion light-years away from Earth, the cluster is the most massive and luminous cluster of galaxies ever seen at such a great distance. With its incredible size and brightness, the Pandora Cluster is giving astronomers a unique glimpse into the universe’s distant past.

Astronomers have just discovered a distant cluster of galaxies that has been hiding in plain sight for billions of years! The Pandora Cluster, located about 7.5 billion light-years away from Earth, is the most massive and luminous cluster of galaxies ever seen at such a great distance. This discovery gives astronomers a unique window into the universe’s distant past, allowing us to see what the universe looked like billions of years ago.

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source: Phys.org