Kopenhagen, Høst, 1914. 4to. Orig. printed wrappers. Uncut. Offprint from ""Det Kgl. Danske Videnskaabernes Selskabs Skrifter"" pp. 189-251. Clean and fine.
Reference : 39003
First edition. The offprint-form.""In his dissertation Strömgren derived the definitive orbit of Comet 1890 II, which, like most comets followed an approxiately parabolic form.This invstigation was the first of a series of papers on the original orbits of such comets - open or closed - and was a crucial work on the cosmogeny of comets. In ""Ueber den Ursprung der Kometen"" (the item offered), Strömgren concluded that all comets of which the orbits had been determined with sufficient accuracy for a decision about their return to be possible, have followed closed orbits.....about 30 years later his investigations formed the starting point for J.H. Oort's and A.J.J. van Woerkom's ""discovwery"" of the comet cloud far outside the planetary orbits.""(DSB)
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