Supernova impostor

Noun

Definitions

1.NounAn extremely energetic stellar flare event that is bright enough to be mistaken for a supernova, but through later spectral analysis is revealed to not be one.

Synonyms

supernova failed supernova fast blue optical transient kilonova hypernova fast-evolving luminous transient astronomical transient emission nebula runaway star jet cocoon white nebula stellar wind

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