Arecibo (image) McGill University Share Print E-Mail Caption The Arecibo Observatory is shown. Credit Courtesy of the NAIC - Arecibo Observatory, a facility of the NSF Usage Restrictions One-time use only. 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.