Siana at Keck (image) University of California - Riverside Caption This is Brian Siana at the summit of Mauna Kea where the Keck Observatory is located. The pair of Keck telescopes is seen in the background. Credit Boris Zuchner. Usage Restrictions None 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.