Galileo was brilliant, Galileo was a genius. But Galileo was also an arrogant man who was ill disposed to listen to others who crossed him. Maybe he should have taken Kepler more seriously.
Even if there was not a sufficient basis for postulating a gravitational law, Galileo stubbornly refused to account for the most important components of the tidal periods, the monthly and dail components. Only the moon could account for these. Galileo dismissed the idea of the moon's influence on the tides out of hand.
Kepler, in the mean time, was struggling to articulate the concept of force. He did not quite succeed, but he was convinced that the motions of the planets were due to some "emanation" from the sun.
Neither Kepler nor Galilleo articulated the concept of force in a satisfactory manner. That distinction goes to Newton.
RJK
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Even if there was not a sufficient basis for postulating a gravitational law, Galileo stubbornly refused to account for the most important components of the tidal periods, the monthly and dail components. Only the moon could account for these. Galileo dismissed the idea of the moon's influence on the tides out of hand.
Kepler, in the mean time, was struggling to articulate the concept of force. He did not quite succeed, but he was convinced that the motions of the planets were due to some "emanation" from the sun.
Neither Kepler nor Galilleo articulated the concept of force in a satisfactory manner. That distinction goes to Newton.
RJK
extracted from
http://groups.google.com/g/0747fef5/t/3c8ea8d54145a5ae/.../8e3a7bd364a18e5b?...
or shortened
http://tinyurl.com/3jzcsc7
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