The position of a celestial object east of the vernal equinox along the ecliptic . Celestial longitude is measured in degrees eastward from the vernal equinox (0°) to the point where a great circle drawn through the object and the poles of the ecliptic intersects the ecliptic.
(Music) A syllable representing the second tone of the diatonic scale
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
Find another word for ra. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for ra, like: radium, right-ascension, celestial longitude, re and atomic number 88.