Word: moho
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...years. Novelist Arthur Conan Doyle, who visualized the earth's shell as a living creature, made his fictional Professor Challenger poke a sharp drill eight miles down, called his story When the World Screamed. AMSOC's goal is to pierce the Mohorovicic discontinuity, which scientists call the Moho for short...
Flexible Finger. The Moho was discovered in 1909 by Seismologist A. Mohorovicic of Yugoslavia, when he noticed that the speed of earthquake waves increases suddenly at a certain level under the earth's surface (the depth varies from place to place). This suggested that the Moho marked a dividing line between different materials. Geologists believe that the Moho is the bottom edge of the granite and basalt that forms the lower layer of the earth's crust; under it is the earth's mantle consisting of a mixture of silicates and nickel-iron, which in turn encloses...