A 'rare' black moon is set to rise tonight/ Saturday morning– but what exactly is the lunar event and will we be able to see it?
'Black Moon Rising' may sound like the title of an apocalyptic sci-fi film but the astronomical event is unlikely to signal the end of the world, despite the concerns of some doomsayers.
Watch video: http://www.dailymotion.com/video/x4via8d
