A teenager in Warwickshire, England, was shocked when when she looked into the sky to see an enormous black ring. Sixteen-year-old Georgina Heap was playing tennis with her mom Jo when she noticed the ring. Gazing into the sky, the pair saw a clearly defined black circle which looked like a giant smoke ring. The ring remained there for around three minutes before disappearing completely. This happened last Friday, local officialshaveno idea what it is.