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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list three features of the moon.
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1. the moon has no atmosphere.
2. the moon has a weak gravitational field. 
3. the moon has visible dark areas on its surface, known as maria.
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