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October 20, 2018 03:30 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xQU6xi59G7A/earths-inner-core-is-solid-but-squishier-than-previously-thought
Earth's Inner Core Is Solid, But Squishier Than Previously Thought
brindafella writes: Earthquakes are telling scientists more about the core of the Earth, specifically that it is squishier than previously thought (by about 2.5%.) Associate Professor Hrvoje Tkali & Thanh-Son Pham of the Australian National University have made sense of data collected by seismographs around the world to put new numbers on the density and pressure of the core. In Science magazine, they show that the pressure is 167.4 +/- 1.6 gigapascals (GPa) in Earth's center. For reference, standard atmospheric pressure is 101,325 pascals (Pa), so the center of the Earth is around 61 million times this pressure, but still 2.5% lower than expected.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xQU6xi59G7A/earths-inner-core-is-solid-but-squishier-than-previously-thought
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