upper ionosphere

См. также в других словарях:

• Upper-atmospheric lightning — is an obsolete term that is no longer used by researchers to refer to a family of electrical breakdown phenomena that occurs well above the altitudes of normal lightning. Current usage favors Transient Luminous Event (TLE) to refer to one of the… …   Wikipedia

• Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner …   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

• upper atmosphere — Meteorol. the portion of the atmosphere above the troposphere. Cf. upper air. [1890 95] * * * upper atmosphere noun The region of the atmosphere above about 20 miles from the earth • • • Main Entry: ↑up * * * upper air or upper atmosphere, the… …   Useful english dictionary

• upper air — Meteorol. the atmosphere above the lower portion of the troposphere. Cf. upper atmosphere. [1875 80] * * * upper air or upper atmosphere, the stratosphere and ionosphere …   Useful english dictionary

• Upper Atmospheric Models — Most climate models simulate a region of the Earth s atmosphere from the surface to the stratopause. There also exist numerical models which simulate the wind, temperature and composition of the Earth s tenuous upper atmosphere, from the… …   Wikipedia

• ionosphere — noun Date: 1926 the part of the earth s atmosphere in which ionization of atmospheric gases affects the propagation of radio waves, which extends from about 30 miles (50 kilometers) to the exosphere, and which is contiguous with the upper portion …   New Collegiate Dictionary

• ionosphere — Synonyms and related words: Appleton layer, CAT, F layer, Heaviside Kennelly layer, Van Allen belt, aerospace, aerosphere, air hole, air pocket, airspace, belt, bump, ceiling, chemosphere, crosswind, empty space, favorable wind, fog, front, head… …   Moby Thesaurus

• 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

• Venus — /vee neuhs/, n., pl. Venuses for 2. 1. an ancient Italian goddess of gardens and spring, identified by the Romans with Aphrodite as the goddess of love and beauty. 2. an exceptionally beautiful woman. 3. (sometimes l.c.) Archaeol. a statuette of… …   Universalium

• Mars 96 — Model of the Mars 96 Orbiter Operator Russian Space Forces Mis …   Wikipedia