Scientists have learned about our early solar system's conditions by examining its composition, size, and composition.
Instead of analysing the features of these holes directly, a team located at NASA's Goddard Space Flight Center in Greenbelt, Maryland, chose to use a different approach.
The location of the poles "wandered" 10 degrees in latitude as the moon shifted this way and that due to the effects of asteroid collisions.
Scientists have discovered frozen water near the moon's poles, but they don't know how much there is.
Some frozen water may have sublimated (converted from a solid to a gaseous form) off the surface, such as the equator.
"Polar wander appears to have been modest enough for water near the poles based on the moon's cratering history."
The phenomenon behind the shifting poles is known as True Polar Wander
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