47 Milky Way-Size Galaxies Mysteriously Appear in Faraway Cluster

Science is an endeavor that’s necessarily filled with dead ends, left turns to nowhere, detours, delays, and – fortunately – the occasional accidental discovery.

That’s exactly what happened earlier this year, when a team of astronomers serendipitously observed a population of 47 Milky Way-size, weirdo galaxies living very far from home.

Unexpectedly large and surprisingly dim, the star-poor galaxies appear to reside in the immense Coma Cluster, located roughly 320 million light-years away. It’s a region that has been observed and photographed countless times, but many of the most powerful telescopes aren’t able to see such sparsely populated objects with very low surface brightness. “You essentially kind of look through ...

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