In terms of energy output, how does the energy released during a core-collapse supernova compare to the Sun's expected total lifetime production?
Answer
The star releases as much energy as the Sun is expected to produce over its entire ten-billion-year main sequence lifetime.
The sheer scale of energy conversion during a core-collapse supernova is among the most energetic events observable in the universe. In the mere seconds that the explosion lasts, the dying star ejects an amount of energy staggering enough to equal the total energy output that our own Sun is predicted to radiate across its entire stable lifespan of about ten billion years on the main sequence. This extraordinary release powers the massive shockwave and drives the violent dispersal of heavy elements throughout the galaxy.
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