* Lack of Atmosphere: The moon has virtually no atmosphere. This means there is no wind erosion, no weather, and no protection from the harsh environment of space.
* No Plate Tectonics: Unlike Earth, the moon's interior is not actively moving. This means there are no volcanoes or earthquakes to reshape the surface.
* Limited Erosion: While meteoroid impacts do occur, they are infrequent and are often small. The lack of an atmosphere prevents the weathering and erosion that we see on Earth.
* Ancient Craters: The presence of countless craters, some billions of years old, is the most striking evidence. These craters remain largely unchanged, unlike craters on Earth that are quickly eroded.
Therefore, the best evidence supporting the idea that the moon's surface has changed very little is the presence of ancient, well-preserved craters.
