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THE GUIDE TO NATURE. 



Dipper is well up above the pole in 

 the northeast, and near the horizon 

 in the direction indicated by the Dip- 

 per's handle is seen Arcturus in 

 Bootes, just rising". On the ecliptic, 

 in the eastern half of the sky, shines 

 Regulus in the heart of Leo. South- 

 west of Leo, in a relatively barren pari 



less than four seconds apart, and they 

 present contrasted colors, the larger 

 being yellow and the smaller greenish. 

 In accordance with our intention to 

 present each month the story of some 

 remarkable comet, on account of the 

 interest in such bodies aroused by the 

 impending return of the great comet 



Evening SkyMap for March 



NORTH 



Mar. Moon Phases 

 FULL MOON, Mar. 6 

 LASTQ'tr.,Mar,I4. 

 NEWM00N,Mar.2 

 FIRST 0YR..MAR.28 





FACE SOUTH 

 HOLD THE MAP 

 YOUR HEAD -TH 

 NORTH, AND YOI 

 THESTARSAND PLANETS 

 JUST AS THEY APPEAR 

 INW HEAVENS 



SOUTH 



JUST AFTER THE SEPARATION 



of the heavens, is seen the lone stai 

 Alphard in long constellation Hydra. 

 Between Gemini and Leo glitters the 

 cluster called the Manger in the con- 

 stellation Cancer. Among double 

 stars now well placed for observation 

 with telescopes may be mentioned Cas- 

 tor in Gemini, whose two stars are six 

 seconds apart, and easily seen with a 

 small telescope, and Gamma in Leo, 

 the second star above Regulus in the 

 Sickle. In this case the two stars are 



of I lalley, the chart shows the position 

 occupied in March, 1846, by the 

 strange comet of Biela, which in the 

 preceding January had split in two. 

 The story of Biela's Comet is one of 

 the most extraordinary known in 

 astronomy. It was first seen in 

 1826. It reappeared in 1832, its period 

 of revolution being about six years and 

 nine months. It was due again in 

 1839, but owing to its unfavorable 

 position in the sky at that time was 



