The Double Keck Telescopes (IMAGE) University of Copenhagen - Niels Bohr Institute Caption By combining the light from the two 10-meter Keck telescopes on Mauna Kea on Hawaii using a method called interferometry, they could achieve an effective resolution equivalent to a telescope with an 85-meter mirror (the distance between the two telescopes). Credit (Credit: NASA/JPL) Usage Restrictions (Credit: NASA/JPL) 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.