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In addition to shedding light on the weird idiosyncrasies of the Moon, the hypothesis could “provide insight to the giant impact origin hypothesis” on Mars, which has been proposed to explain the difference between the north and south hemispheres of the red planet, according to the new study.The mystery of the Moon’s asymmetry may be further unraveled by upcoming missions to the lunar south pole, such as China’s robotic Chang'e 6 mission, which is tasked with returning the first rock samples from SPA, as well as NASA's Artemis program, which aims to send humans back to the lunar surface.With these new endeavors, “lunar science will advance in leaps in bounds,” Jones said. “Chemical analyses of samples returned from SPA will help clarify our model of the lunar compositional asymmetry. Another boon would be to expand the network of seismometers on the Moon. Seismometers allow geoscientists to ‘image’ the interiors of planets, and better seismometer coverage leads to better image resolution.” “Adding seismometers to the farside of the Moon to supplement the three currently on the nearside would give lunar scientists a better picture of the Moon's present-day interior, which we use to constrain certain aspects of the models in our study,” he concluded. Update: This article has been updated to include comments from lead author Matt Jones.