The material that stacks around the edges of impact craters on the moon is called "regolith." Regolith is a layer of loose, fragmented material that covers solid rock. It is formed by the impact of meteoroids, comets, and asteroids striking the surface of the moon over millions of years. Regolith consists of various elements such as dust, soil, broken rock fragments, and other debris.
Regolith plays a crucial role in the formation and preservation of impact craters on the moon. When a meteoroid hits the lunar surface, it excavates material from beneath the surface, creating a crater. The material ejected from the impact site forms the rim and central peaks of the crater, known as ejecta. Over time, regolith accumulates around the edges of the crater, further shaping its appearance and structure.
In summary, regolith is the name for the material that stacks around the edges of impact craters on the moon. It is a significant component of the lunar surface and is essential for understanding the geological history of the moon.
