type I supernova


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Related to type I supernova: Type II supernova

type I supernova

[′tīp ¦wən ¦sü·pər′nō·və]
(astronomy)
A member of a class of supernovae that lack hydrogen in their spectra and have relatively regular light curves.
References in periodicals archive ?
As a result, Type I supernovas -- which suffuse the interstellar medium with iron-rich gas -- dictated the chemical composition of new stars, the researchers report.