Sentences with phrase «common type of supernova»
Astrophysicists think that this process is what powers a common type of supernova explosion, known as Type II.
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Another, less common kind of supernova, type 1a, occurs when a remnant of a star called a white dwarf steals matter from a companion star until the white dwarf explodes (SN: 4/30/16, p. 20).
These were not included in either Li's or Smartt's study, both of which focused on type II - P supernovae, the most common type of core - collapse supernova.
The observations indicate that iPTF 13dqy was a regular type II supernova; thus, the finding that the probable red supergiant progenitor of this common explosion ejected material at a highly elevated rate just prior to its demise suggests that pre-supernova instabilities may be common among exploding massive stars.