NASA Research Team Revealed Earth like Core on Moon

NASA (National Aeronautics  and Space Administration) research team revealed that the moon possesses earth like solid, iron rich inner core with a radius of nearly 150 miles

Created On: Jan 10, 2011 18:59 ISTModified On: Jan 11, 2011 15:51 IST

NASA (National Aeronautics  and Space Administration) research team in the first week of January 2011, revealed that the moon possesses earth like solid, iron rich inner core with a radius of nearly 150 miles and a fluid primarily liquid iron outer core with a radius of roughly 205 miles. The difference between moon’s core and the core of the earth is a partially molten boundary layer around the moon’s core estimated to have a radius of 300 miles. The NASA research indicates that the core of the moon contains a small percentage of light elements such as sulfur, similar to the new seismology research on Earth that suggests the presence of light elements such as sulfur and oxygen in a layer around the core of the earth.

Revealing details about the lunar core is essential for developing accurate models of the moon’s formation. The data reveals information on the evolution of a lunar dynamo, a natural process by which the moon may have generated and maintained its own strong magnetic field.


NASA research team, used state of the art seismological techniques which was applied to Apollo 14-era data to suggest that the moon has a core similar to the earth.The NASA researchers used extensive data gathered during the Apollo era moon missions. The Apollo Passive Seismic Experiment consisted of four seismometers deployed between 1969 and 1972 which recorded continuous lunar seismic activity until late 1977.

The NASA research team also analyzed Apollo lunar seismograms using array processing, techniques that identify and distinguish signal sources of moonquakes and other seismic activity. The NASA researchers identified how and where seismic waves passed through or were reflected by elements of the moon’s interior, signifying the composition and state of layer interfaces at varying depths.

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