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Meteoric Plume Is Dangerous For Earths Magnetosphere
15.09.2006 11:15
Meteoric Plume Is Dangerous For Earths Magnetosphere

Experts from the RAS Institute for Geosphere Dynamics claim infall of meteorites and comets strongly disturbs Earths geomagnetic field.
      The research showed that even small cosmic bodies falling on our planet cause so-called plume a powerful jet of air and vapors to uprise from the surface. The plume heats upper atmospheric layers and changes their conductance, thus interacting with Earths geomagnetic field.
      The scientists made all necessary calculations for the fall of an icy comet and an asteroid 200-400 m in diameter. Magnetic fluctuation pattern appeared to be almost the same a giant column of hot air and vapor makes surrounding ions move.
      Said fluctuations move much faster than the plume does, thus surrounding it with an expanding ion sheath and deforming Earths magnetosphere they reach radiation belts and may even cause particle precipitation.
      Thus, falling of any, even relatively small, cosmic body causes global fluctuations in Earths magnetosphere ad ionosphere. High time to think about meteoroid prostration.
      Source: Informnauka


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