Galileo at Work: His Scientific Biography

Aristotelian Aristotle astronomers bright calculations celestial circle Copernican astronomy Copernicus cosmology Dialogue discovery discussed disk distances distant from Jupiter Drake earth East West easterly star eclipses epicycles explain fixed stars Florence Galileo Galileo Galilei heavy bodies Horky Horky's hour illuminated instrument Jupiter's Kepler later light lunar mathematical measurements Medicean stars minutes distant minutes from Jupiter minutes of arc moon moving natural motions natural philosophy night observations optical orbits Padua Paolo philosophers physics planetary planets positions problem promised book Ptolemy reason reply Sagredo Salviati Sagredo Sagredo Salviati Sarpi Sagredo Sarpi Sagredo Sagredo Sarpi Salviati Salviati Sagredo Salviati Salviati Sarpi Salviati Sarpi Salviati Sagredo Sarpi Salviati Sarpi satellite scientific seas seconds seems seen Sidereus Nuncius Simon Mayr Simplicio Sizzi speeds starlets Starry Messenger stars appeared straight line Sunspot telescope things tide theory tion Tycho Tycho Brahe Venice westerly westernmost