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Moon’s oldest crater on its far side was volcanically active around 2.8 billion years ago: « Chang’e-6 lunar soils contain two types of mare basalts: low-Ti and very low-Ti (VLT). »
After analyzing the sample brought by Chang'e-6, researchers found that the moon’s oldest and deepest crater on its far side was volcanically active around 2.8 billion years ago.
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