The Heavens in October. 



By Professor Eric Doolittle of the University of Pennsylvania. 



For many months the student of the 

 heavens has had but little opportunity 

 to spend his early evenings in the ob- 

 servation of our most interesting sister 

 worlds which revolve about our sun. 

 Occasionally he may have examined the 

 brilliant little Mercury when it emerg- 



During the evenings of the present 

 month, however, the two most brilliant 

 worlds of all are seen in the evening 

 heavens. When the observer has stud- 

 ied the beautiful, silvery Venus until it 

 has sunk below the horizon in the 

 southwest he may turn to the golden 



HORTH 



South 



Figure 1. The Constellations at 9 P. M. October 1. (If facing south, hold the map upright. If facing 

 east hold East below. If facing west, hold West below. If facing north, hold map inverted.) 



ed for a short time into the twilight Jupiter with its interesting retinue of 



glow, and during the past several moons which will then be climbing the 



weeks Venus has also been steadily but heavens in the northeast- These two 



very slowly emerging from the sun's planets will nightly come into more 



rays, but none of the other planets favorable positions for observation for 



could be studied to advantage except many weeks, and to add to the beauty 



after midnight and during the early of our autumn evenings, 

 morning hours. 



We this month see for the first time 



