Question

what is meant by evolution of star?​

Answer 1

Answer:

Stellar evolution is the process by which a star changes over the course of time. ... Stars with at least half the mass of the Sun can also begin to generate energy through the fusion of helium at their core

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Answer 2

Answer:

Evolution of Stars-

The interior of a typical main sequence star is illustrated by the internal condition of the Sun, with the highest density, pressure, energy generation rate and temperature occurring at the very centre. The temperature dependency of the proton-proton cycle means that energy is produced over a fairly large volume in the stellar center, out to about 25% of the total stellar radius in a star like the sun.

Explanation:

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