Supernovae and Jet, the letter: “Indications of a Si-rich bilateral jet of ejecta in the Vela SNR observed with XMM-Newton” by F. Garcia published on A&A
The life cycle of very massive stars ends in supernovae explosions. During these violent phenomena, an amount of energy similar to that produced by the Sun during its entire lifetime,more than 10 billion years long, is released in few seconds. Besides, the atmosphere of the exploding star (the progenitor star) is ejected with a velocity in excess of 1000 km/sec.
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