2 Satellites (image) University of Iowa Share Print E-Mail Caption An artist's rendering shows the twin satellites of the Van Allen Probes mission in tandem orbit above the Earth. Credit Image credit: NASA. Usage Restrictions None Share Print E-Mail 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.