The Earth's Inner Core

@article{Jacobs1953TheEI,
  title={The Earth's Inner Core},
  author={Jan Jacobs},
  journal={Nature},
  year={1953},
  volume={172},
  pages={297-298}
}
ALL seismic work indicates that at least part of the core of the earth is liquid, since no transverse waves have ever been observed to pass through it. It has been suggested, however, that the core contains an inner core beginning at a depth of approximately 5,000 km. which is solid, although no definite proof of this has ever been given. Bullen1, however, has shown that the rise in velocity of longitudinal waves at this depth can be explained by assuming it to be solid and of the same… CONTINUE READING
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