Keywords/Topics Covered: Cygnus, Deneb, Northern Cross, Summer Triangle, Ptolemy's Almagest, Right Ascension, Declination, Milky Way, Cepheus, Northern Hemisphere, Johann Bayer, Blue White Supergiant, Apparent Magnitude, Light Years, Luminosity, NML Cygni, Kepler Space Telescope, Exoplanets, Cygnus X-1, Black Hole, X-ray Emissions, Kip Thorne, Stephen Hawking, Scientific Discovery