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The Lunar Core

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As the self-professed " Astronaut Seismologist ," I am very excited by yesterday's NASA announcement confirming that the Moon does indeed have a core.  The news accompanies a report published in the journal Science by Weber et al.   Having just read the paper and its extensive supplemental material, I will devote this post to conveying my initial impressions of the research.  SPACE.com , Science Daily , Science , Discovery News , and Daily Mail had very public-friendly writeups on this story that are worth a look too.  If you prefer to listen, check out this NPR Science Friday interview with Renee Weber: Podcast Powered By Podbean The gist of the paper is that the moon has a solid inner core, a liquid outer core, and a mushy partially molten region above the outer core.  The Earth has all of these same features in its deep interior too.  Scientists have long suspected the Moon to have a core due to indirect evidence such as the composition of lu