Amongst other conditions, a renal ultrasound scan can detect kidney stones, cysts, tumours, congenital abnormalities of the renal tract (these are abnormalities that have been present from birth), problems of the prostate, effects of infection and trauma of the kidneys and renal tract.
What is Astronomy? Astronomy is the study of the universe, namely the objects we. observe, like the Moon, Sun, and planets in our Solar System; stars; our Milky Way Galaxy, and other galaxies; and, a host of. other celestial objects and phenomena, like nebulae, and black. holes! Hubble Space Telescope Images.
An astronomer is a scientist who focuses primarily on the study of space, which includes the stars, the planets and the galaxies above us. The study of astronomy is the oldest of the natural sciences, and the only science in which you can only observe, and not physically touch what is being studied.