* SN 2003fg - SIMBAD*'Champagne supernova' challenges understanding of how supernovae work - University of Toronto*Cosmos Magazine - "Rebellious supernova confronts dark energy"*'Champagne Supernova' breaks astronomical rules - CBC*Astronomy: Champagne supernova - "Nature" (subscription site)*Supernovae - NASA GSFC
==References====External links==* SN 2003fg - SIMBAD*'Champagne supernova' challenges understanding of how supernovae work - University of Toronto*Cosmos Magazine - "Rebellious supernova confronts dark energy"*'Champagne Supernova' breaks astronomical rules - CBC*Astronomy: Champagne supernova - "Nature" (subscription site)*Supernovae - NASA GSFC