magnetosphere

See also: magnétosphère

English

The magnetosphere of Earth.

Etymology

From magneto- +‎ -sphere.

Pronunciation

• IPA^(key): /mæɡˈni.təˌsfɪr/

• Audio (UK):

  (file)

Noun

magnetosphere (plural magnetospheres)

1. (physics) The comet-shaped region around Earth or another planet in which charged particles are trapped or deflected. Shaped by the solar wind and the planet's magnetic field.
   • 2015, D. J. Armstrong, C. E. Pugh, A.-M. Broomhall, D. J. A. Brown, M. N. Lund, H. P. Osborn, D. L. Pollacco, “The Host Stars of Keplers Habitable Exoplanets: Superflares, Rotation and Activity”, in arXiv‎^[1]:

     We derive rotation periods, photometric activity indices, flaring energies, mass loss rates, gyrochronological ages, X-ray luminosities and consider implications for the planetary magnetospheres and habitability.

   • 2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, page 30:

     One of the earliest (and biggest) space weather events on record occurred in September 1859, when a massive solar eruption crashed into the Earth's magnetosphere, triggering a geomagnetic storm that lasted for days.

Derived terms

• magnetospheric

Translations

region around a planet

• Basque: magnetosfera (eu)
• Catalan: magnetosfera f
• Chinese:

  Mandarin: 磁氣圈／磁气圈 (zh) (cíqìquān), 磁層／磁层 (zh) (cícéng)

• Czech: magnetosféra (cs) f
• Finnish: magnetosfääri (fi)
• French: magnétosphère (fr) f
• Galician: magnetosfera (gl) f
• German: Magnetosphäre (de) f
• Italian: magnetosfera (it) f
• Japanese: 磁気圏 (じきけん, jikiken)
• Korean: 자기권 (jagigwon)
• Portuguese: magnetosfera (pt) f
• Russian: магнитосфе́ра (ru) f (magnitosféra)
• Spanish: magnetosfera f
• Tagalog: balnibulog
• Turkish: magnetosfer
• Vietnamese: quyển từ