RAVEN (IMAGE) Arizona State University Caption The lunar concept of RAVEN, the 3-wheeled rover with an arm, would have a mass of ~150 kg (~330 lbs for Earth) and the Earth-analog prototype is ~340 kg (~750 lbs for Earth). Credit Courtesy of Project RAVEN team ASU/UMd. 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.