Rating | Solver | Clue |
---|---|---|
CORONA | Ring round heavenly body | |
DEFERENT | An imaginary circle surrounding the earth, in whose periphery either the heavenly body or the center of the heavenly body's epicycle was supposed to be carried round. | |
ECCENTRICITY | The ratio of the distance of the center of the orbit of a heavenly body from the center of the body round which it revolves to the semi-transverse axis of the orbit. |