2023-05-08 01:27:00
Thanks to the fact that human exploration of the Moon brought some important instruments to the surface of our natural satellite, such as seismographs, scientists discovered lunar earthquakes, and these in turn They revealed a lot about what’s inside the Moon.
Over the past two decades, it has become clear that the Moon has a fluid core, but new models show there’s more to it than that.
Inside that outer core, there is a solid inner core, like our planet’s.according to a new study published in the journal Nature.
“The Apollo data could allow for a Moon with or without an inner core, so the team searched for models that could reproduce the physical properties of the Moon from its mass, how it spins, and how the tides deform it,” it reads. in the study.
“This provided indications that there should be a solid inner core,” he adds. The team estimates that this inner core is about 310 miles wide. And it has a lower density than Earth.
But this is not the only intriguing insight that the model offers. The other important one is about a phenomenon called lunar mantle rollover. Simply put, this is the idea that the mantle material, the thick interlayer between the thin crust and the outer core, moved around quite a bit.
Some items, including iron-rich material, could have ascended from the core-mantle boundary to the surface, ending in volcanic rocks that now form the lunar crust. At the same time, parts of the crust that were denser than others sank through the mantle to the lunar core.
Understanding the internal properties of the Moon today gives us insight into its past.. Scientists believe that the Moon used to have an extremely powerful magnetic field, some 100 times stronger than Earth’s.
This was produced by the kernel. The magnetic field is now almost non-existent. Finding out what the Moon looks like on the inside tells us why it might be like this, and what else might have happened billions of years ago.
“Our results call into question the evolution of the lunar magnetic field thanks to their demonstration of the existence of the inner core and support a global mantle tipping scenario that provides substantial information about the timeline of lunar bombardment in the first billion years of the system. Solar,” the authors wrote in the study.
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