Life Cycle of Stars _ GCSE Physics

Stars form from clouds of dust and gas due to gravity, becoming protostars. When hot enough, they fuse hydrogen into helium, entering a stable main sequence phase. Stars like our sun eventually become red giants, shedding outer layers to form white dwarfs. Larger stars become red supergiants and explode as supernovae, creating heavy elements and leaving neutron stars or black holes. Stars are crucial for forming elements found on Earth.

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