The Moon has an Earth-like Core
By applying today's state-of-the-art seismological techniques to Apollo-era data, researchers at NASA are coming to the conclusion that our moon has a core similar to Earth's. Although sophisticated satellite imaging missions to the moon have made significant contributions to the study of its history and topography, the deep interior of the moon has remained a subject of much speculation and conjecture.
Comments:
What I don't understand is why their densities are so different. Earth is 5.5 g/cm3 and moon is 3.3 g/cm3
The current leading theeory of the moon's origin is that it resulted from a collision of the Earth with a Mars-sized object. The moon was formed when a lot of the ejected material coalesced in an orbit fairly close to the Earth. More of this material was from the lighter outer layers of the Earth, so the moon has a lower density. I was under the impression that the theory implied that the moon DID NOT have a core similar to that of the Earth. This article seems to contradict that.
You're overlooking the vast caverns occupied by the Selenites.
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