ALMA 12-Meter Antennas (IMAGE) National Radio Astronomy Observatory Caption The two antennas used in this first and successful test, provided by ALMA's North American and East Asian partners. Credit ALMA (ESO/NAOJ/NRAO) Usage Restrictions With credit 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.