Dellinger, JH

Japanese: Dellinger,J.H.(英語表記)DellingerJH
Dellinger, JH

...A sudden bright explosion on the surface of the sun, i.e., a flare, occurs, and immediately afterwards the intensity of shortwave radio waves propagating through the ionosphere in the sunlit hemisphere on Earth suddenly weakens, and in extreme cases, radio waves cannot be received. It is named after its discoverer, John Howard Dellinger (1886-1964). The large amount of X-rays emitted by a flare reaches the Earth about 8 minutes later, ionizing the atmosphere in the lower part of the ionosphere (D, E regions) in the sunlit hemisphere abnormally strongly, causing a sudden increase in electron density there. ...

*Some of the terminology that mentions "Dellinger, JH" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…太陽面上の一部が急に明るく輝く爆発現象,すなわちフレアが発生すると,直後に地球では日照半球の電離圏を伝搬する短波帯電波の強度が急に弱まり,極端な場合には電波を受信することが不可能となる現象。発見者デリンジャーJohn Howard Dellinger(1886‐1964)にちなんで名付けられた。フレアにともなって放射された多量のX線は約8分後に地球に到達し,日照半球の電離圏下部(D,E領域)の大気を異常に強く電離するので,そこでの電子密度が急激に増加する。…

※「Dellinger,J.H.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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