cosmic-ray primaries

См. также в других словарях:

• cosmic ray — Physics. a radiation of high penetrating power that originates in outer space and consists partly of high energy atomic nuclei. [1920 25, Amer.] * * * High speed particle (atomic nucleus or electron) that travels through the Milky Way Galaxy.… …   Universalium

• 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

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• pri|ma|ry — «PRY MEHR ee, muhr », adjective, noun, plural ries. –adj. 1. first, as in order, time, or place: »a primary layer of tissue, the primary causes of unemployment. SYNONYM(S): See syn. under elementary. (Cf. ↑elementary) 2. first in importance;… …   Useful english dictionary

• Calendar of 1998 — ▪ 1999 January January 1       At the stroke of the new year, the Russian ruble is worth a thousand times less than before as three zeros are removed from its value; about six new rubles equal one U.S. dollar.       Foreign Minister David Levy… …   Universalium

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium