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CosmosUp | October 3, 2022

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Star Cycle: From Birth To Death

By | On + -

Neutron Star
Stellar remnant of a massive star

A star in the red giant phase takes a different life cycle path. Fusion causes the helium atoms to form carbon atoms. They are further pulled together due to gravity, which results in the formation of oxygen, nitrogen and finally iron atoms. Iron starts absorbing energy that leads to an explosion. During this stage in the life cycle of a star, it is known as the neutron star. A neutron star is mainly composed of neutrons and is very hot and extremely dense (denser than the Sun!). Cores of massive stars collapse, converting proton-electron pairs into neutrons.

A neutron star might spin speedily giving off light and X-rays. The highly magnetized spinning star appears to be pulsing, and is known by the name ‘Pulsar’. These stars pulsate with surprising regularity.

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  1. Mac Breck

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

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