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Definition of Lunar cataclysm
1. Proper noun. (astronomy) A period of time, approximately 4 billion years ago, during which a large number of impact craters formed on Earth's Moon. ¹
¹ Source: wiktionary.com
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1. Proper noun. (astronomy) A period of time, approximately 4 billion years ago, during which a large number of impact craters formed on Earth's Moon. ¹
¹ Source: wiktionary.com