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 ...
The moon's grand canyons were carved in the blink of an eye
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
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Facts about the
The Grand Canyon may be the most recognizable landmark on the planet. And it's large enough to hold countless facts, figures and historical details you probably never knew. The Grand Canyon is not ...