ROYAL GREENWICH OBSERVATORY / SCIENCE PHOTO LIBRARY ROYAL GREENWICH OBSERVATORY / SCIENCE PHOTO LIBRARY
The Satellite Laser Ranging Telescope in operation at the Royal Greenwich Observatory, Herstmonceux, East Sussex. The Satellite Laser Ranging Telescope accurately measures the position and distance of a satellite by shining a laser beam at it and recording the reflected beam.
Model release not required. Property release not required.