The outer diameter of the large double ring crater at the center of the scene is about 260 km (160 mi). The crater appears to be filled with smooth plains material that may be volcanic in nature.
巨大的双环盆地的外部直径约260公里，内部像是被岩浆填平，多串小型陨石坑放射状地延展散布在双环盆地外围。
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