The impact crater is the second discovered in China. A crescent-shaped crater in Northeast China holds the record as the largest impact crater on Earth that formed in the last 100,000 years.
The structure, the scientists say, could be the remnants of an enormous asteroid impact that hit the Earth hundreds of millions of years ago. If confirmed, it would be the largest asteroid impact ...
But the researchers don’t know why two hit Earth close together. Getty Images The asteroid that created the Nadir crater measured around 450-500m wide, and scientists think it hit Earth at about ...