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About The Book : In starry realms - I908 - preface to the original edition – the contents of this little volume have within the last few years seen the light in various periodicals. There is not in the whole range of modem science a more fruitful subject for discussion than the sun and his connection with the earth. In the first place it is the function of the sun's attracting power to constrain the earth to follow that orbit in which she performs her annual revolution. About The Author : Sir Robert Stawell Ball (1840-1913) was the son of naturalist Robert Ball, and Amelia Gresley Hellicar. He was born in Dublin. and was educated at Trinity College Dublin where he won a scholarship in 1859 and was a senior moderator in both mathematics and experimental and natural science in 1861. Ball worked for Lord Rosse from 1865 to 1867. In 1867, he became Professor of Applied Mathematics at the Royal College of Science in Dublin. There he lectured on mechanics and published an elementary account of the science. Ball became celebrated for his popular lectures on science. He gave an estimated 2500 lectures between 1875 and 1910 in towns and cities across Britain and Ireland.