auroral zone

极光区

Atmospheric Sciences (English-Chinese) dictionary. 2014.

Look at other dictionaries:

  • auroral zone — the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place. * * * …   Universalium

  • auroral zone — the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place …   Useful english dictionary

  • auroral — auroral, ale, aux [ ɔrɔral, o ] adj. • 1859; de aurore ♦ De l aurore, spécialt De l aurore polaire. Radiations aurorales. ● auroral, aurorale, auroraux adjectif Littéraire. Qui appartient à l aurore ; qui en a les caractères : Lumière aurorale.… …   Encyclopédie Universelle

  • Auroral kilometric radiation — (AKR) is the intense radio radiation emitted in the acceleration zone (at a height of three times the radius of the Earth) of the polar lights. The radiation mainly comes from cyclotron radiation from electrons orbiting around the magnetic field… …   Wikipedia

  • High frequency active auroral research program — 62°23′30″N 145°09′00″O / 62.39167, 145.15 …   Wikipédia en Français

  • Aurora (astronomy) — Aurora Borealis redirects here. For other uses, see Aurora Borealis (disambiguation). Aurora Australis redirects here. For the ship, see Aurora Australis (icebreaker). For the book, see Aurora Australis (book). Northern lights redirects here. For …   Wikipedia

  • Polar wind — is the permanent outflow of ionization from the polar regions of the magnetosphere. [http://amsglossary.allenpress.com/glossary/browse?s=p p=43 AMS Glossary] ] Ionospheric Plasma SourceThe ‘ground state’ of the ionosphere consists of the baseline …   Wikipedia

  • ionosphere and magnetosphere — ▪ atmospheric science Introduction       regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… …   Universalium

  • Magnetosphere chronology — The following is a chronology of discoveries concerning the magnetosphere. 1600 William Gilbert in London suggests the Earth is a giant magnet. 1741 Hiorter and Anders Celsius note that the polar aurora is accompanied by a disturbance of the… …   Wikipedia

  • Birkeland current — Schmatic of the Birkeland or Field Aligned Currents and the ionospheric current systems they connect to.[1] A Birkeland current is a set of currents which flow along geomagnetic field line connecting the Earth’s magnetosphere to the Earth s hi …   Wikipedia

  • Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth …   Wikipedia

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