(IMAGE)

Okinawa Institute of Science and Technology (OIST) Graduate University

Caption

Namibian fairy circles are large barren patches of earth ringed by short grass dotting the desert like craters on the moon or giant polka dots. No one knows how they form.

Credit

OIST

Usage Restrictions

None

License

Licensed content

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.