Eyes on the Skies Book Cover (IMAGE) International Astronomical Union Caption Cover of the book "Eyes on the Skies -- 400 Years of Telescopic Discovery." Credit International Astronomical Union / International Year of Astronomy 2009 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.