You may be excused for mistaking the image above for a tree trunk. But when
you look at it from a different angle, you realize that what you are seeing
is considerably larger than any tree—a concave depression that was gouged
out of Mars’ surface by a significant impact.
Although the crater rings that extend outward from its core are not tree
rings, they can still provide insight into Mars’ past in the same way that
tree rings can
you look at it from a different angle, you realize that what you are seeing
is considerably larger than any tree—a concave depression that was gouged
out of Mars’ surface by a significant impact.
Although the crater rings that extend outward from its core are not tree
rings, they can still provide insight into Mars’ past in the same way that
tree rings can
