Page:Star Lore Of All Ages, 1911.pdf/238

168 stars we nightly gaze upon are mingling their beams with the arc lights of our great and populous cities.

"Every point in the sky is directly above some point on the earth, and as is the proportion of a given area to the whole sky, so is the proportion of the area it overhangs to the whole surface of the earth." Thus the Pleiades, the famous cluster in Taurus, cover a space about equal to Westchester County, N. Y.