A peak ring crater is a type of complex crater, which is different from a multi-ringed basin or central-peak crater. A central peak is not seen; instead...

the second largest impact structure on Earth, and the only one whose peak ring is intact and directly accessible for scientific research. The crater...

groups: central-peak craters and peak-ring craters. Peak-ring craters have diameters that are larger in than central-peak craters and have a ring of raised...

bombs dropped on Hiroshima and Nagasaki. A 2016 drilling project into the peak ring of the crater strongly supported the hypothesis, and confirmed various...

the asteroid. A 2016 drilling project into the Chicxulub peak ring confirmed that the peak ring comprised granite ejected within minutes from deep in the...

A multi-ringed basin (also a multi-ring impact basin) is not a simple bowl-shaped crater, or a peak ring crater, but one containing multiple concentric...

The Rings of Power are magical artefacts in J. R. R. Tolkien's legendarium, most prominently in his high fantasy novel The Lord of the Rings. The One Ring...

south of the outer ring of present-day hills, which suggests the ring of hills are not the rim of the original crater but a peak ring within a much larger...

directly above the peak ring. These strongly support the hypothesis that the impactor was large enough to create a 120-mile peak ring, eject molten granite...

Trail. The trail then forks, forming the Sherman Peak ring trail around the shoulders of Sherman Peak. The trail passes in and out of White Mountain Fire...