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Grand canyons on the moon? Asteroid strike billions of years ago carved out 2 massive gorges
That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...
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Arizona's Beautiful Places: 10 coolest sights in the Grand Canyon State, from natural wonders to an underground restaurant
With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...
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Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
The data allowed the team to construct maps of the region, including the basin and its surroundings. The measurements showed ...