Show auroras forty lorty allies high tho the scientists of the royal danish academy have made public the results of some interesting experiments which were conducted for the solo sole purpose of ascertaining the exact or at any rate the approximate height of the aurora borealis at godthaab 31 adam paulsen paulsell with two theodo lites situated only four miles apart found that tile height eight of different displays varied from one to forty miles I 1 near capo cape farewell with a base line of three fourths of a mile in length the best calculations obtainable placed different aurora at from one to ten tell miles in tit height at spitzbergen Spitz bergen it was shown that they thoy range from a height of one third 0 of f a mile to eighteen miles in this case it will not prove uninteresting to mention fl some of the remark blo ble opinions entertained by the early experimenters peri menters in this line flogel estimated the height of the various aurora observed by him at from froin SO 90 to miles above the earth reimann found that one observed by hirwas him was at least miles high and earl earlien deductions gave such phenomena an average height of miles then leem came forward with the announce ment that ho lie had taken notes and observations ions on an aur ciral display that was not separated from tile earth in by more than 1000 feet hildebrand son concurred to the extent of declaring th eliat at many of the displays were below the tile clouds st louis republic |