Also called: renal ultrasound. A kidney ultrasound is used to determine the size, shape and location of the kidneys without cutting the skin.
n. 1. (Astrology) the study of the motions and relative positions of the planets, sun, and moon, interpreted in terms of human characteristics and activities.2. (Astronomy) the primitive study of celestial bodies, which formed the basis of astronomy.. (Astrology) the study of the motions and relative positions of the planets, sun, and moon, interpreted in terms of human characteristics and activities. 2. (Astronomy) the primitive study of celestial bodies, which formed the basis of astronomy.
Astrometry, the most ancient branch of astronomy, is the measure of the sun, moon, and planets. The precise calculations of these motions allows astronomers in other fields to model the birth and evolution of planets and stars, and to predict events such as eclipses, meteor showers, and the appearance of comets.