How an ancient asteroid strike carved out 2 grand canyons on the moon
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
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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NASA probe snaps spectacular images of the moon's Grand Canyon
A visit to the Grand Canyon is a true bucket list item for anyone on a US road trip. But Arizona isn't the only place where an ambitious explorer can find a Grand Canyon. NASA’s Lunar Reconnaissance ...