Geodynamo, Solar Wind, and Magnetopause 3.4 to 3.45 Billion Years Ago

@article{Tarduno2010GeodynamoSW,
  title={Geodynamo, Solar Wind, and Magnetopause 3.4 to 3.45 Billion Years Ago},
  author={J. Tarduno and R. D. Cottrell and M. Watkeys and A. Hofmann and P. V. Doubrovine and E. Mamajek and D. Liu and D. Sibeck and L. P. Neukirch and Y. Usui},
  journal={Science},
  year={2010},
  volume={327},
  pages={1238 - 1240}
}
Early Origin of Earth's Magnetic Field Earth's magnetic field protects us from stellar winds and radiation from the Sun. Understanding when, during the Earth's formation, the large-scale magnetic field was established is important because it impacts understanding of the young Earth's atmosphere and exosphere. By analyzing ancient silicate crystals, Tarduno et al. (p. 1238; see the Perspective by Jardine) demonstrate that the Earth's magnetic field existed 3.4 to 3.45 billion years ago, pushing… Expand
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