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hey class, do you know how star evolve? if no, let's talk about the EVOLUTION OF STAR.
Stars are formed when large clouds of gas and dust collapse, forming a dense, hot core. Over time, the star will evolve and change as it burns through its fuel and the forces of gravity and pressure shape its structure.
A star's evolution is driven by changes in its core, which cause the outer layers to expand and cool, changing its temperature, luminosity, and size.
The core of a star will contract and heat up, causing the outer layers to expand and the star's size and temperature to change. This phase is known as the red giant phase, and the core will become hot enough to fuse helium atoms, creating a new source of energy.
A star will go through multiple stages of expansion and contraction until it runs out of fuel and collapses into a white dwarf or neutron star.
So, in summary, stars evolve due to changes in their core as they burn through their fuel. The forces of gravity and pressure also play a role in shaping a star's structure and evolution over time.

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