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19322
Your article neglects the most difficult problem associated with sending a probe to the vicinity of Earth’s core: sending the information back. Even a few feet of earth will stop conventional radio waves. Extra-low-frequency transmissions would do the job, but a transmission could take years. Augusto Soux San Diego, Calif. David J. Stevenson of the […]
By Science News -
EarthGoing Down? Probe could ride to Earth’s core in a mass of molten iron
A geophysicist suggests that scientists could explore Earth's inner structure by sending a grapefruit-size probe on a week-long mission to the Earth's core inside a crust-busting mass of molten iron.
By Sid Perkins -
19242
There is another interpretation of the mitochondrial DNA data presented in this article.