Hubble telescope spots 'impossible' light from a galaxy that shouldn't have been visible

The Hubble Space Telescope has spotted a galaxy that challenges our understanding of the early universe. According to Live Science, researchers discovered the distant galaxy MXDFz4.4, which appears so far away that we're seeing it during an era when the universe was mostly opaque to light. The fact that Hubble can detect it at all is surprising and may reshape our understanding of cosmic reionization—the period when the universe became transparent to radiation. The discovery could help explain how this transformation happened billions of years ago.

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