Using these: http://plato.stanford.edu/entries/copernicus/ http://www.keplersdiscovery.com/ http://www.pbs.org/wgbh/nova/physics/galileo-sobel.html http://www.pbs.org/wgbh/nova/physics/newton-legacy.html http://www.pbs.org/wgbh/nova/space/how-big-universe.html Please select one of the prompts below and write your initial response to it.  Your response needs to be […]