Cygnus the Swan’s brightest star, Deneb, marks one of the corners of the Summer Triangle. And its bright double star, Albireo, is one of the finest in the heavens.If you have a dark sky, it’s easy to observe the edgewise view into our own galaxy – our Milky Way – spanning across the heavens. As you gaze toward it, you’ll also be looking toward the constellation Cygnus the Swan. Its brightest star is called Deneb, the Swan’s Tail. Additionally, the constellation Cygnus contains one...
