supernova impostor
English edit
Etymology edit
From being mistaken for a supernova.
Pronunciation edit
- Rhymes: -ɒstə(ɹ)
Noun edit
supernova impostor (plural supernova impostors)
- (astronomy) An 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.