Fairy Circles (2 of 2) (image) Helmholtz Centre for Environmental Research - UFZ Caption This is a close-up view of a fairy circle. Total absence of vegetation growth within the almost circular area of a typical fairy circle. The sizes of fairy circles may vary, ranging from two to more than twenty meters in diameter. The average diameter recorded here, in the Marienfluss Valley, was approx. six meters. Credit Photo: Stephan Getzin/UFZ Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.