THE STARRY HEAVENS IN JULY 



73 



The Starry Heavens in July. 



BY PROF. ERIC DOOLITTLE OF THE UNI- 

 VERSITY OF PENNSYLVANIA. 



The two most striking changes that 

 will be noticed among our evening 

 stars since last month are those due to 

 the complete entrance of the wonderful 

 summer branch of the Milky Way into 

 the eastern part of the evening heavens 

 and the reappearance of the 



highest point of its arch being nearly 

 two thirds of the way from the eastern 

 horizon to the zenith. There is now 

 therefore an excellent opportunity not 

 only to study its wonderful structure, 

 but also to examine the beautiful con- 

 stellations which we meet as we follow 

 its course over the sky. 



The July Stars. 

 To one who wishes to become fami- 



NOI2TH 



-South 



Figure 1. The Constellations at 9 P.M., July 1. (If facing south, hold the map up- 

 right. If facing west, hold West below. If facing east, hold East below. If facing north, 

 hold the map inverted.) 



striking and always interesting 

 group of the Scorpion in the south. 

 The former, that Golden Pathway 

 crowded with swarms and clouds of 

 distant suns, now stretches entirely 

 across the eastern sky from the south 

 point of the horizon to the north, the 



liar with the star figures, there is in- 

 deed at this time of year no better way 

 than to begin his study with those 

 groups which border upon and are im- 

 mersed in the Milky Way. If he 

 chooses a clear, moonless night, he will 

 have no difficulty in finding Perseus, 



