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N THE HIGH HEAVENS 



By SIR ROBERT S. BALL, LLD., F.R.S. 



LOWNDEAN PROFESSOR OF ASTRONOMY 

 CAMBRIDGE UNIVERSITY 



Witli Coloured Frontispiece and Numerous Illustrations 



" The freshest knowledge and the best scientific thought." — Scotsman. 



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BY THE SAME AUTHOR 



Sixth Thousand, demy 8vo, gilt edges, 7s. 6d. 



N STARRY REALMS 



The Wonders of the Heavens 



With Coloured Frontispiece and Numerous 

 Illustrations 



' The style of popular exposition adopted throughout is indeed admir- 

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Saturday Review. 



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