EarthSky | Hercules the Strong Man and a great globular cluster earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.
Of all the constellations, none is stranger than the combination of Ophiuchus, the Snake Wrestler, and Serpens, the snake he is wrestling with.For one thin