Show TALES OF THE DAY Could See the Name i J The Duchess of X once went to Greenwich Green-wich to see the marvels of the observatory observ-atory I was a lovaly nightand for the fair duchess benefit the great telescope was duly leveled at the dazzling field of stars starsWhat Is that star she said pointing to a very bright one Oh thats Aldebaran a star of the first magnitude Is it vary far oft asked her grace About six or seven lightyears your grace What Is t lightyear I Merely an expression which one uses to convey an idea of the distance which light travels In a year Roughly speakj lag light travels at the rato of 190000 miles in a second and there are about 3 000536 seconds in a year In one year therefore light travels about 5991S4aoo 0 of miles The expression of lightyear1 Includes these figures And la that star all those millions of miles away T v |