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.
Astronomy is a study of the stars, planets and other phenomenon in space. Since the first humans looked at the skies, there has been astronomy. Many people have been significant over the years, like Copernicus and Galileo, and many individuals have made special contributions to astronomy, but you can't say when astronomy began.