<p>In what way could using a GPS to circulate in city traffic be connected to cosmic stars lying a billion light-years away from planet Earth? The intriguing answer is that they are irrevocably bound by a relation that traverses centuries of scientific knowledge, quasars located billions of light-years away from the Milky Way and names like Galileo Galilei, Max Planck, Tycho Brahe, Newton, Kepler, Copernicus , Herschel and Albert Einstein. In an ...