as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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explain why the universe is expanding.
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the universe is expanding due to inherent positive energy that results from the big bang. this positive energy causes a repulsive gravitational force that is pushing galaxies apart, leading to an ever-increasing universe size.
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