Episode #77 - The Life of a Star | Astronomy Part 4 - Deepstash
Episode #77 - The Life of a Star | Astronomy Part 4

Episode #77 - The Life of a Star | Astronomy Part 4

Math & Physics Podcast

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Jeans mass- this is the minimum mass required for a gas cloud to collapse into a star.

In middle of being a gas cloud and being a star, there is a protostar phase. Here the s...

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3. As the fusion takes place, the radiation radiating outwards from the fusion takes the particles with it off the gas cloud and the star may never form. Because the radiation is in the oposite dir...

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  • Our sun will last 10 billion years but a star 10 times bigger than our sun will last 20 million years only.

This is because the larger the star, the higher the gravity...

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After the core get fused

..., the only thing fusing is the outskirts of the core. Now these hydrogen particles are like "We don't have any core to stick to, where do we go?". So they start repelling each other. Now, as we ...

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As the core is completely fused, it becomes trapped. Its outer layers are gone. This lonely core is called the white dwarf. For a low mass star, this is where you die. The helium p...

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So n high mass stars, after the red giant phase, there is still a hell of a helium to burn. So, this helium slowly fuses to carbon, carbon to something and on and on and on untill (!) you reach Iro...

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.., The star can get collapsed into a neutron star. This is the most dense star in the universe. And they rotate very fast (due to conservation of angular momentum). Here the gravi...

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After white dwarf

Sometimes this white dwarf starts revollving itself with another main sequence star. This is called binary system. The white dwarf starts to pull energy from the main sequence star, and something (...

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