FIRST YEAR SCIENCE 



CHAPTER I 



THE EAETH AND ITS NEIGHBOKS 



1, The Evening Sky. As the light of the sun fades in 

 the evening, we see the stars coming out one by one until 



PART OF THE MILKY WAY. 

 The plate for this photograph was exposed ten hours and a quarter. 



at last the sky is studded with them. We notice, too, that 

 the brighter the star is, the sooner it appears. In the 



1 



