The ExoMars Trace Gas Orbiter (IMAGE) European Space Agency Caption This is an artist's impression of the ESA/NASA ExoMars Trace Gas Orbiter. The orbiter will carry a European entry, descent and landing demonstrator vehicle. Credit ESA Usage Restrictions For non-commercial use only. For free use only with full credit line indicated. 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.