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Astronomers Have Detected A Mysterious Signal Coming From Empty Space. Nobody Knows What It Is. - ScienceAlert

Publisher description: In the southern constellation of Fornax lies a tiny patch of sky just like any other.

NewsAPI | Oct 15, 2026 | Michelle Starr

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In isolation, that's not so weird; near-infrared emission is super normal. It's the isolation that caused the drama. There was no other emission line accompanying it – and in prior observations from Hubble and JWST, nothing else could be seen in that patch of space. JWST imaging of the location of the mysterious emission line. That's because, as space expands, it stretches light into redder and redder wavelengths.

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