The mechanics of the moon : dedicated to the astronomers and astrophysicists . ^, as shownby the photochrome, in consequence of adelay in the unhindered flow some magmaremained behind. It is A^ery interesting tonotice how clearly this is demonstrated bythe moon-picture of Miethe and Seegert andthe Pickering atlas 3 C. With regard to thewrinkles it is shown, that they do not folloAVthe borders so much as the direction of thecurrents, and that they extend from thesouthern to the northern valleys. Fig. 10. The Sinus Iridum, whichformerly (like the Clrimaldi; was a little sea,came in connection Av


The mechanics of the moon : dedicated to the astronomers and astrophysicists . ^, as shownby the photochrome, in consequence of adelay in the unhindered flow some magmaremained behind. It is A^ery interesting tonotice how clearly this is demonstrated bythe moon-picture of Miethe and Seegert andthe Pickering atlas 3 C. With regard to thewrinkles it is shown, that they do not folloAVthe borders so much as the direction of thecurrents, and that they extend from thesouthern to the northern valleys. Fig. 10. The Sinus Iridum, whichformerly (like the Clrimaldi; was a little sea,came in connection Avith the Mare are only two countries Avhere thebubbh^ blown-up masses can be seen Avithsuch clearness. The rushing deluge massesfrom the Mare Imbrium, judging from thephotochrome, ceased at the Sinus Iridum andalso before the Plato-plain. If the over ^/5 CONCERNING THE TOPOGRAPHY OF THE MOON. 47 of the circumference of the houndary of theMdw rml)iium and also the total enclosnie. FIG. 10 of the Mare Crisium l)y the sAVollen massesare considered, it seems, that hetween thesemasses and the formation of the mare a 48 CONCERNING THE TOPOGEAPHY OF THE MOON. causal connection existed just as the preser-vation of the heat caused the formation ofthe mare and favoured their extension.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcelestialmechanics