Don’t sweat it. It all about using the proper scale of measurement. An astronomer doesn’t care how many miles or kilometers it is to a star. They use light years because the scale is too big for either miles or kilometers.And no one cares how many decimeters there are in a kilometer either.
Don’t sweat it. It all about using the proper scale of measurement. An astronomer doesn’t care how many miles or kilometers it is to a star. They use light years because the scale is too big for either miles or kilometers.And no one cares how many decimeters there are in a kilometer either.