life cycle of star
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Life Cycle of a Star. Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.
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stars are formed in clouds of gas and dust, known as nebulae. nuclear reaction at the centre of stars produce enough energy to make them shine brightly for many years. the exact lifestyle of a star depends very much on it's size.
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