WashingtonPost.com; Earth-size, 'Goldilocks-Zone' Planet Found In Distant Solar System; Meeri Kim; April 17, 2014.

DailyMail.co.uk, What Is The Black Ring Of Leamington Spa? Mysterious object in the sky is captured by girl, 16, On Her iPhone; Emily Kent Smith; April 14, 2014.

Screencap/DailyMail