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These rocks were created early in lunar history, when the outer portion of the moon was completely molten; the low-density anorthosite floated to the surface of the magma ocean. |
中文意思: 这些岩石在月球历史的早期形成,当时月球外部完全呈熔融状态,低密度的斜长岩会浮到岩浆海的表面。 |
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