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8 images of impact craters in space

Nov. 6, 2012, 7:05 p.m.
Van de Graaff Crater of the moon

Photo: NASA/Goddard

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Van de Graaff Crater of the moon

This false-color image of the Van de Graaff crater shows an interesting figure-8 shape. It is on the far side of the moon, north of the South Pole-Aitken Basin. The crater looks as if it were created by two separate impacts. However, NASA notes that no crater wall separates the two halves. The area also has a higher concentration of radioactive materials. Another mystery of this lunar area is that it contains a small, localized magnetic field, possibly due to the presence of volcanic rock under its surface. Unlike Earth, the moon does not have a global magnetic field.