A new supernova has been discovered about 40 million light-years from Earth
SMRTR summary
Astronomers have detected a new supernova, SN 2026aaiv, in the galaxy NGC 7331, about 40 million light-years away. Discovered on September 1, 2026, its brightness jumped from magnitude 17.3 to around 13 in just days and may keep growing. Classified as a Type Ia supernova, it likely came from a white dwarf explosion in a binary star system. Notably, NGC 7331 hosted another supernova last year.
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