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David J. Stevenson (born September 2,1948) is a professor of planetary science at Caltech. Originally from New Zealand, he received his Ph.D. from Cornell University in physics, where he proposed a model for the interior of Jupiter. He is well-known for applying fluid mechanics and magnetohydrodynamics to understand the internal structure of planets and moons. In 1984, he received the H. C. Urey Prize awarded by the Division for Planetary Sciences of the American Astronomical Society. He is a fellow of the Royal Society.
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His idea about going down into the Earth
Stevenson's idea includes the use of nuclear weapons to crack the earth crust, and then fill the crack with molten iron and a probe in it. The iron, by its sheer density and mass, will reach the earth's core in weeks. Communication with the probe would be achieved with seismic waves.••
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