Astronomy in a nutshell, the chief facts and principles explained in popular language for the general reader and for schools . nstellation to a man,woman, animal, or other object. In onlya few cases are these resemblances verystriking. The most useful constellations for thebeginner are those surrounding the northcelestial pole, and we give a little circularchart showing their characteristic names of the months running round thecircle indicate the times of the year whenthese constellations are to be seen on ornear the meridian in the north. Turn thechart so that the particular month i
Astronomy in a nutshell, the chief facts and principles explained in popular language for the general reader and for schools . nstellation to a man,woman, animal, or other object. In onlya few cases are these resemblances verystriking. The most useful constellations for thebeginner are those surrounding the northcelestial pole, and we give a little circularchart showing their characteristic names of the months running round thecircle indicate the times of the year whenthese constellations are to be seen on ornear the meridian in the north. Turn thechart so that the particular month is at thebottom, and suppose yourself to be facingnorthward. The hour when the observationis supposed to be made is, in every case,about 9 oclock in the evening, and the dateis about the first of the month. The top ofthe chart represents the sky a little belowthe zenith in the north, and the bottomrepresents the horizon in the north. 244 THe Fixed Stars The apparent yearly revolution of theheavens, resulting from the motion of theearth in its orbit, causes the constellationsto move westward in a circle round the pole, 03J. £pr^ A \ / • • \ • >sNI \ f*. JV* *n. / * •• * \ / ? ^V •,» «\ \ //• S* y> \ O \ / «• \ %<ms\ y /^ • ° •• % \ / ^-tr ! % \ .*» \ ; %;*^js^g3^r-* ,••• ••v / • * •• \\ &y >o^ 1 1 \.\i V/ ^~->~^ AURIGA A^-*^^ i<Yg. 19. Key to Nor ^ Circumpolar Stars. positions at 9 on the firs
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Keywords: ., bookcentury1900, bookdecade19, booksubjectastronomy, bookyear1912
