Scientists provide new explanation for the strange asymmetry of the moon

The Earth‐moon system's history remains mysterious. Scientists believe the system formed when a Mars‐sized body collided with the proto‐Earth. Earth ended up being the larger daughter of this collision and retained enough heat to become tectonically active. The moon, being smaller, likely cooled down faster and geologically froze. The apparent early dynamism of the moon challenges this idea.

from Phys.org - latest science and technology news stories https://ift.tt/2V5fbvl

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