protosphere

protosphere
The upper part of the thermosphere where the earth’s magnetic field plays a more important role in controlling the behavior of protons. It extends from the T layer at 220 miles (350 km) to about 15 earth radii. Also called magnetosphere.

Aviation dictionary. 2014.

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  • ATMOSPHÈRE — Dérivé du grec 見精猪礼﨟 (vapeur) et 靖﨏見晴福見 (sphère), le mot «atmosphère» désigne l’enveloppe essentiellement gazeuse qui entoure le globe terrestre. D’autres corps célestes ont également une atmosphère. L’atmosphère est un fluide en mouvement. Les… …   Encyclopédie Universelle

  • magnetosphere — The upper part of the thermosphere where the earth’s magnetic field plays a more important role in controlling the behavior of protons. Also called the protosphere …   Aviation dictionary

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