BLUE MOON Tonight – A Rare Event!

http://www.telegraph.co.uk/news/science/space/11775016/Rare-super-Blue-Moon-to-light-up-summer-night-sky.html

http://www.theguardian.com/science/across-the-universe/2015/jul/31/blue-moon-how-to-see-tonights-rare-event

http://www.independent.co.uk/news/science/blue-moon-rare-cosmic-event-to-light-up-the-sky-10429337.html 

http://earthsky.org/space/when-is-the-next-blue-moon