All impact craters are circular, no matter what the shape of the impactor or the angle of impact.
Of the options provided in the Discussion page, only choice "B" is accurate. The energy released in the impact melted the impactor - and the surface - to the point of being fluid, or at least malleable.
Option "D", that the craters were formed early in the Moon's history, is probably also true, but the circular shape of the craters isn't dependent on this.
Circular unless hit very hard
curved shape. And that shape is probably a sphere.
They may have giant stair-like terraces that are created by slumping of the walls. It can be loose materials or a blanket of debris surrounding the crater.
The shape is not a characteristic of chemical elements but is a characteristic of objects.
Each enzyme has a characteristic shape
No, it has nothing to do with the shape of the Earth. Phases of the Moon are caused by the relative positions of the Sun, the Earth and the Moon. When seen through a telescope, Venus presents similar phases. However, the circular shape of Earth's shadow that is projected on the Moon' surface during a lunar eclipse is evidence that the Earth is round.
A lunar eclipse can only occur at the time of Full Moon.
Not generally, though crystal morphology can be.
Craters are depressions in a planet's or moon's surface caused when a meteor hits the surface. On the moon craters remain undisturbed because there are no environmental forces like wind and rain to disturb resulting shape of the crater.
That is the lunar cycle, or the phases.
Each enzyme has a characteristic shape
earth has a spherical shape a vast land...moon which has craters..