Astronomers have demonstrated that the origin of extraordinary supernovae can be explained by the 'accretion scenario.' The researchers discovered an anomalously strong infrared emission from 'the extraordinary supernova' SN 2012dn, which has never been observed in other Type Ia supernovae to date. Through detailed analysis, the researchers concluded that the infrared emission comes from the material ejected from the progenitor system.
via Science Daily
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