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Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
Yahoo8d
Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the ... The data allowed the team to construct maps of the region, including the basin and its ...