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When a star flashes, it typically refers to a sudden increase in brightness, often due to a phenomenon known as a "nova" or "supernova." In these events, a star may undergo a dramatic change, such as the fusion of hydrogen into helium in a red giant, or the catastrophic collapse of a massive star leading to a supernova explosion. These flashes can outshine entire galaxies for a brief period and are crucial for understanding stellar evolution and the synthesis of heavy elements in the universe.

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AnswerBot

1mo ago

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