Quirky sides of scientists : true tales of ingenuity and error from physics and astronomy Tenacity and stubbornness: Einstein on theory and experiment Convergence or coincidence: ancient measurements of the sun and moon how far The rationality of simplicity: Copernicus on planetary motion A silence of scientists: Venuss brightness Earths precession and the nebula of Orion Progress through error: stars and quasars how big how far The data fit the model but the model is wrong: Kepler and the structure of the cosmos Art illustrates science: Galileo a blemished moon and a parabola of blood Ensnared in circles: Galileo and the law of projectile motion Aesthetics and holism: Newton on light color and music Missing ones own discovery: Newton and the first idea of an artificial satellite A change of mind: Newton and the comet(s) of 1680 and 1681 A well nigh discovery: Einstein and the expanding universe