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CosmosUp | September 22, 2023

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Astronomy GuideCelestial Object
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Star Cycle: From Birth To Death

By | On | 13 mins: 12 secs + -
6

Supernova
An explosion of a star

Star Cycle: Supernova

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Supernova is an explosion of a star accompanied by emission of radiation and light. Sometimes, the light emitted by a supernova can outshine an entire galaxy!

There are two basic types of supernovae. One is when a carbon-oxygen white dwarf reaches a critical density value, leading to uncontrolled fusion of carbon and oxygen, further leading to explosion.

The second type of supernova is formed towards the end of a massive star’s life cycle. When all the fuel in a star is exhausted, the iron core collapses with an explosion forming supernova.

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  1. Reply
    Mac Breck

    Seems you skipped Blue Supergiants (e.g. Rigel & Deneb) and Blue Giants (e.g. Beta Centauri).

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