Long View (image) Earth Institute at Columbia University Share Print E-Mail Caption Oblique view of the Himalayas on the border of Sikkim, India and eastern Nepal, captured Dec. 20, 1975 by a KH-9 HEXAGON spy satellite. Such declassified images were used by researchers in a new study of Himalayan glaciers. Credit Joshua Maurer Usage Restrictions Credit must be given. 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.