Page 219 - 89 history of astronomy_opt

It is now necessary to leave the subject
of dynamical astronomy for a short time in
order to give some account of work in a dif-
ferent direction originated by a contempo-
rary of Kepler’s, his senior in fact by seven
years. Galileo Galilei was born at Pisa in
1564. The most scientific part of his work
dealt with terrestrial dynamics; but one of
those fortunate chances which happen only
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