Page:The story of the comets.djvu/249

XIII. peak, there are about 100 or more particular centres in the heavens which are specially centres from which they seem to radiate; (4) the meteors coming from these centres are named



by ugly fabricated names derived from the constellations in which the centres are situated; thus Leonids, Lyrids, Perseids, Quadrantids, and so on; (5) the term "shooting star" is an old-fashioned one which has almost gone out of use, having