(248660 bytes) I took this picture of the laser at Royal Greenwich Observatory on the 5th September 2006. The Laser marks the zero meridian line and is projected...
license. Attribution: View of the prime meridian laser from the hill leading up to the Royal Observatory by Robert Lamb You are free: to share – to copy...
org/10.3847/2041-8213/ab0c96 Author The Event Horizon Telescope Collaboration Other versions Derivative works of this file: Map of the EHT 2019.jpg: ...
The photographs show Greenwich, London, and the green laser beam emitted by the Greenwich observatory to indicate the Greenwich meridian. The image was...
The photographs show Greenwich, London, and the green laser beam emitted by the Greenwich observatory to indicate the Greenwich meridian. The image was...
across Greenwich rooftops towards Canary Wharf, with Greenwich power station chimneys on the right. The Green line is a laser beam from the observatory shining...
jpg English: Marking the meridian at night The green line on this photograph is the laser beam shining North from the Royal Observatory at Greenwich across...
the Greenwich Meridian and its purpose was to indicate the direction of true north from the transit telescope of the Royal Observatory. The Greenwich Meridian...