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A massive new cosmic map is revealing black holes, rare stars, and hidden gas

Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to the Southern Hemisphere. The data reveal everything from rare stars and glowing nebulae to hundreds of thousands of X-ray sources and supermassive black holes changing over time.

Published Aug 16, 2026 · 6:25 AMOriginal source: Latest Science News -- ScienceDaily55 reads
Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to the Southern Hemisphere. The data reveal everything from rare stars and glowing nebulae to hundreds of thousands of X-ray sources and supermassive black holes changing over time.
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Latest Science News -- ScienceDaily

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