RA — ТЛУМАЧЕННЯ

Ra

Ancient hawk-headed Egyptian sun god; a universal creator.
An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
WordNet

RA

(astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the.
WordNet
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