Astronomy in a nutshell, the chief facts and principles explained in popular language for the general reader and for schools (1912)
Serviss, Garrett Putman, 1851-1929, Rouben Mamoulian Collection (Library of Congress) DLC · New York, London, G.P. Putnam's sons · leaf 134
and Night. The period of twenty-four hours required for one turn of the earthon its axis is called a day, and in astronomicalreckoning it is treated as an undivided whole,the hours being counted uninterruptedlyfrom o to 24; but nature has divided theperiod into two very distinct portions,… … Morehouses Comet, October 15, 1908 Photographed at the Yerkes Observatory by E. E. Barnard with the ten-inch Bruce telescope. Exposure one hour and a half.Note the detached portions which appeared to separate from the headand retreat up the line of the tail at enormous velocity. Morehouses Comet,…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
