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Greedy White Dwarf Star Could Trigger Spectacular Nova

9/10/2025

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Summary

Story summary

Astronomers identified a "greedy" white dwarf star, V Sagittae, consuming its larger twin at an unprecedented rate, located 10,000 light years away.
Its brightness stems from mass siphoning, potentially leading to a visible nova explosion in the coming years.
The stars orbit every 12.3 hours, spiraling closer, possibly resulting in a supernova observable from Earth.
Observations from the Very Large Telescope in Chile provided key insights into this binary system.
The study advances knowledge of stellar evolution and binary dynamics, highlighting the need for ongoing observations.

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Story summary

Astronomers identified a "greedy" white dwarf star, V Sagittae, consuming its larger twin at an unprecedented rate, located 10,000 light years away.
Its brightness stems from mass siphoning, potentially leading to a visible nova explosion in the coming years.
The stars orbit every 12.3 hours, spiraling closer, possibly resulting in a supernova observable from Earth.
Observations from the Very Large Telescope in Chile provided key insights into this binary system.
The study advances knowledge of stellar evolution and binary dynamics, highlighting the need for ongoing observations.