What Are Quasars??
Quasars are among the brightest objects in the universe They are massive and extremely remote celestial object, emitting exceptionally large amounts of energy (radiating more energy than entire galaxies.), which typically has a starlike image in a telescope. After speculating for years about the mysterious nature of Quasars, Astronomers now know that they are located at the heart of galaxies It has been suggested that quasars draw their energy from enormous black holes which have masses billions of times greater than that of our Sun. Like cosmic vacuum cleaners these gravitational monsters suck up matter from their surroundings, releasing unimaginable quantities of energy in their process and may represent a stage in the evolution of some galaxies.