geographic range References geographic range light Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: lighthouse/ Geographic range and luminous rangeThis is known as the geographic range of the light. (One nautical mile, the distance on Earth’s surface traversed by one minute of arc latitude, is equivalent to 1.15 statute miles or 1.85 km.) Read MoreThis is known as the geographic range of the light. (One nautical mile, the distance on Earth’s surface traversed by one minute of arc latitude, is equivalent to 1.15 statute miles or 1.85 km.) Read More