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V Sagittae's White Dwarf Poised for Daytime Supernova

9/17/2025

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Summary

Story summary

Astronomers found a white dwarf in the V Sagittae system, nearing explosion due to excessive material from its companion star.
This supernova may shine as brightly as the moon, potentially visible during the day from Earth.
Located 10,000 light-years away, V Sagittae has intrigued scientists for 123 years.
The white dwarf's feeding creates an accretion disk, suggesting a Type Ia supernova.
Researchers anticipate a nova outburst in the coming years, followed by a supernova.

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Story summary

Astronomers found a white dwarf in the V Sagittae system, nearing explosion due to excessive material from its companion star.
This supernova may shine as brightly as the moon, potentially visible during the day from Earth.
Located 10,000 light-years away, V Sagittae has intrigued scientists for 123 years.
The white dwarf's feeding creates an accretion disk, suggesting a Type Ia supernova.
Researchers anticipate a nova outburst in the coming years, followed by a supernova.