
Inge Lehmann, who discovered that earth has both an inner and outer core, should be inspiration for any young woman with dreams of becoming a scientist, and on Wednesday Google honored the pioneering seismologist’s 127th birthday with a new animated Doodle.
She was born on May 13, 1888 in Copenhagen, Denmark.
In 1936, she postulated from existing seismic data the existence of an inner core with physical properties distinct from the outer core's and that Earth's core is not a single molten sphere. Seismologists, who had not been able to propose a workable hypothesis for the observation that the P-wave created by earthquakes slowed down when it reached certain areas of the inner Earth, quickly accepted her conclusion.
Read all about her by clicking on the new Google doodle.
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